National Health and Nutrition Examination Survey (NHANES), Demographic and Examination Data, 2007-2008

Data Archive > U.S. Surveys > General Population > National > NHANES Surveys > Codebook


All frequencies are raw numbers (no weights used).
1) [Questionnaire: Demographics] Respondent sequence number (SEQN)
NMeanStd.Deviation
TOTAL10149465492930
2) Data release number (SDDSRVYR)
TOTAL%
5) NHANES 2007-2008 Public Release10149100.0
TOTAL10149100.0
3) Interview and examination status of the sample person (RIDSTATR)
TOTAL%
1) Interviewed only3873.8
2) Both interviewed and MEC examined976296.2
TOTAL10149100.0
4) Six-month time period (RIDEXMON)
TOTAL%
1) November 1 through April 30450746.2
2) May 1 through October 31525553.8
Missing387 
TOTAL9762100.0
5) Gender (RIAGENDR)
TOTAL%
1) Male509650.2
2) Female505349.8
TOTAL10149100.0
6) Age at screening adjudicated -- recode (RIDAGEYR)
NMeanStd.Deviation
TOTAL1014932.96725
7) Age in months at screening -- recode [Best age in months at date of screening for individuals under 80 years of age] (RIDAGEMN)
NMeanStd.Deviation
TOTAL9710375.519288
8) Age in month at exam -- recode [Best age in months at date of screening for individuals under 80 years of age] (RIDAGEEX)
NMeanStd.Deviation
TOTAL9367377.118287
9) Race/Ethnicity -- recode (RIDRETH1)
TOTAL%
1) Mexican American215721.3
2) Other Hispanic120111.8
3) Non-Hispanic white411540.5
4) Non-Hispanic black221121.8
5) Other race - Including multi-racial4654.6
TOTAL10149100.0
10) Served in the U.S. Armed Forces [Did (you/SP) ever serve in the Armed Forces of the United States?] (DMQMILIT)
TOTAL%
1) Yes76712.0
2) No560387.9
7) Refused10.0
Missing3778 
TOTAL6371100.0
11) Country of birth -- recode [In what country (where you/was SP) born?] (DMDBORN2)
TOTAL%
1) Born in 50 U.S. states or Washington, D.C.839982.8
2) Born in Mexico7307.2
4) Born in other Spanish-speaking country5835.7
5) Born in other non-Spanish speaking country4314.2
7) Refused50.0
9) Don't know10.0
TOTAL10149100.0
12) Citizenship status [(Are you/Is SP) a citizen of the United States? [Information about citizenship is being collected by the U.S. Public Health Service to perform health related research. Providing this information is voluntary and is collected under the authority of the Public Health Service Act. There will be no effect on pending immigration or citizenship petitions] (DMDCITZN)
TOTAL%
1) Citizen by birth or naturalization918090.5
2) Not a citizen of the U.S.9579.4
7) Refused40.0
9) Don't know20.0
Missing6 
TOTAL10143100.0
13) Length of time in U.S. [Length of time SP has been in the U.S.] (DMDYRSUS)
TOTAL%
1) Less than one year784.6
2) One year, less than five years21612.6
3) Five years, less than 10 years28016.4
4) 10 years, less than 15 years18911.1
5) 15 years, less than 20 years20411.9
6) 20 years, less than 30 years29817.4
7) 30 years, less than 40 years17810.4
8) 40 years, less than 50 years1267.4
9) 50 years or more855.0
77) Refused201.2
99) Don't know362.1
Missing8439 
TOTAL1710100.0
14) Education level - Children/Youth 6-19 [SP Interview Version: What is the highest grade or level of school (you have/SP has) completed or the highest degree (you have/s/he has) received?] (DMDEDUC3)
TOTAL%
0) Never attended/Kindergarten only2299.2
1) First grade2289.1
2) Second grade2198.8
3) Third grade2068.2
4) Fourth grade2148.6
5) Fifth grade2118.4
6) Sixth grade1576.3
7) Seventh grade1606.4
8) Eighth grade1465.8
9) Ninth grade1797.2
10) Tenth grade1546.2
11) Eleventh grade1656.6
12) Twelfth grade, no diploma331.3
13) High school graduate913.6
14) GED or equivalent90.4
15) More than high school813.2
55) Less than fifth grade20.1
66) Less than ninth grade160.6
Missing7649 
TOTAL2500100.0
15) Education level - Adults 20+ [SP Interview Version: What is the highest grade or level of school (you have/SP has) completed or the highest degree (you have/s/he has) received?] (DMDEDUC2)
TOTAL%
1) Less than ninth grade81113.7
2) Ninth-11th grade (Includes 12th grade with no diploma)105017.7
3) High school grad/GED or equivalent146224.6
4) Some college or AA degree150525.4
5) College graduate or above110018.5
7) Refused20.0
9) Don't Know50.1
Missing4214 
TOTAL5935100.0
16) Now attending school? [Are you/Is SP now...] (DMDSCHOL)
TOTAL%
1) In school174877.0
2) On vacation from school (between grades)37316.4
3) Neither in school or on vacation from school (between grades)1496.6
Missing7879 
TOTAL2270100.0
17) Marital status (DMDMARTL)
TOTAL%
1) Married311652.5
2) Widowed5629.5
3) Divorced65711.1
4) Separated2033.4
5) Never married99216.7
6) Living with partner4016.8
77) Refused40.1
Missing4214 
TOTAL5935100.0
18) Total number of people in the household (DMDHHSIZ)
TOTAL%
1) 18678.5
2) 2206020.3
3) 3186518.4
4) 4210420.7
5) 5142714.1
6) 68918.8
7) Seven or more people in the household9359.2
TOTAL10149100.0
19) Total number of people in the family (DMDFMSIZ)
TOTAL%
1) 1134613.3
2) 2189318.7
3) 3177517.5
4) 4206020.3
5) 5139213.7
6) 68368.2
7) Seven or more people in the family8478.3
TOTAL10149100.0
20) Annual household income [Total household income (reported as a range value in dollars)] (INDHHIN2)
TOTAL%
1) $0 to $4,9992032.0
2) $5,000 to $9,9995005.0
3) $10,000 to $14,9997727.7
4) $15,000 to $19,9997977.9
5) $20,000 to $24,9998788.7
6) $25,000 to $34,999127412.6
7) $35,000 to $44,9999439.4
8) $45,000 to $54,9997457.4
9) $55,000 to $64,9996046.0
10) $65,000 to $74,9995355.3
12) Over $20,0003503.5
13) Under $20,0001111.1
14) $75,000 to $99,9998658.6
15) $100,000 and over119511.9
77) Refused1341.3
99) Don't know1661.6
Missing77 
TOTAL10072100.0
21) Annual family income [Total family income (reported as a range value in dollars)] (INDFMIN2)
TOTAL%
1) $ 0 to $ 4,9992892.9
2) $ 5,000 to $ 9,9995435.4
3) $10,000 to $14,9998058.0
4) $15,000 to $19,9998288.2
5) $20,000 to $24,9999069.0
6) $25,000 to $34,999124512.4
7) $35,000 to $44,9998898.8
8) $45,000 to $54,9997127.1
9) $55,000 to $64,9995835.8
10) $65,000 to $74,9994995.0
12) Over $20,0003573.6
13) Under $20,0001261.3
14) $75,000 to $99,9998088.0
15) $100,000 and over114811.4
77) Refused1271.3
99) Don't know1901.9
Missing94 
TOTAL10055100.0
22) Ratio of family income to poverty threshold (INDFMPIR)
NMeanStd.Deviation
TOTAL92552.2842
23) Pregnancy status at exam - recode [Pregnancy status for females between 20 and 44 years of age at the time of MEC exam] (RIDEXPRG)
TOTAL%
1) Yes, positive lab pregnancy test or self-reported pregnant574.7
2) SP not pregnant at exam109690.7
3) Cannot ascertain if SP is pregnant at exam554.6
Missing8941 
TOTAL1208100.0
24) Gender of the household reference person (DMDHRGND)
TOTAL%
1) Male515750.8
2) Female499249.2
TOTAL10149100.0
25) Age in years of the household reference person at the time of household screening. Individuals 80 and over are top coded at 80 years of age (DMDHRAGE)
NMeanStd.Deviation
TOTAL1014945.8716
26) Household reference person country of birth [In what country (were you/was NON-SP HEAD) born?] (DMDHRBR2)
TOTAL%
1) Born in 50 U.S. States or Washington, D.C.717872.6
2) Born in Mexico127712.9
4) Born in other Spanish speaking country9159.3
5) Born in other non-Spanish speaking country4995.1
7) Refused40.0
9) Don't know80.1
Missing268 
TOTAL9881100.0
27) Household reference person education level [What is the highest grade or level of school (you have/NON_SP HEAD has) received?] (DMDHREDU)
TOTAL%
1) Less than ninth grade122212.4
2) Ninth-11th grade (Includes 12th grade with no diploma)181118.3
3) High school grad/GED or equivalent249425.2
4) Some college or AA degree255925.9
5) College graduate or above176917.9
7) Refused40.0
9) Don't know240.2
Missing266 
TOTAL9883100.0
28) Household reference person marital status (DMDHRMAR)
TOTAL%
1) Married588460.0
2) Widowed6286.4
3) Divorced105010.7
4) Separated4074.1
5) Never married122412.5
6) Living with partner5745.9
77) Refused380.4
99) Don't know30.0
Missing341 
TOTAL9808100.0
29) Household reference person's spouse education level [What is the highest grade or level of school (you have/NON-SP SPOUSE) has completed or the highest degree (you have/he/she has) received] (DMDHSEDU)
TOTAL%
1) Less than ninth grade64912.0
2) Ninth-11th grade (Includes 12th grade with no diploma)81215.0
3) High school grad/GED or equivalent133824.7
4) Some college or AA degree133624.7
5) College graduate or above125223.1
7) Refused30.1
9) Don't know210.4
Missing4738 
TOTAL5411100.0
30) Language of the Sample Person Interview Instrument (SIALANG)
TOTAL%
1) English858884.6
2) Spanish156015.4
Missing1 
TOTAL10148100.0
31) Was a proxy respondent used in conducting the Sample Person (SP) interview? (SIAPROXY)
TOTAL%
1) Yes366036.1
2) No648863.9
Missing1 
TOTAL10148100.0
32) Was an interpreter used to conduct the Sample Person (SP) interview? (SIAINTRP)
TOTAL%
1) Yes1351.3
2) No1001398.7
Missing1 
TOTAL10148100.0
33) Language of the Family Interview Instrument (FIALANG)
TOTAL%
1) English894089.2
2) Spanish108110.8
Missing128 
TOTAL10021100.0
34) Was a proxy respondent used in conducting the Family Interview? (FIAPROXY)
TOTAL%
1) Yes90.1
2) No1001299.9
Missing128 
TOTAL10021100.0
35) Was an interpreter used to conduct the Family Interview? (FIAINTRP)
TOTAL%
1) Yes1141.1
2) No990798.9
Missing128 
TOTAL10021100.0
36) Language of the CAPI MEC Interview Instrument (MIALANG)
TOTAL%
1) English636789.1
2) Spanish77910.9
Missing3003 
TOTAL7146100.0
37) Was a proxy respondent used in conducting the MEC CAPI Interview? (MIAPROXY)
TOTAL%
1) Yes480.7
2) No709899.3
Missing3003 
TOTAL7146100.0
38) Was an interpreter used to conduct the MEC CAPI Interview? (MIAINTRP)
TOTAL%
1) Yes420.6
2) No710499.4
Missing3003 
TOTAL7146100.0
39) Language of the MEC ACASI Interview Instrument (AIALANG)
TOTAL%
1) English690789.3
2) Spanish82710.7
Missing2415 
TOTAL7734100.0
40) Full sample two year interview weight [Interviewed sample persons] (WTINT2YR)
NMeanStd.Deviation
TOTAL1014929277.37726010
41) Full sample two year MEC exam weight [Both interviewed and MEC examined sample persons] (WTMEC2YR)
NMeanStd.Deviation
TOTAL1014929277.37726937
42) Masked variance unit pseudo-PSU variable for variance estimation (SDMVPSU)
TOTAL%
1) 496348.9
2) 518651.1
TOTAL10149100.0
43) Masked variance unit pseudo-stratum variable for variance estimation (SDMVSTRA)
TOTAL%
59) 7117.0
60) 7407.3
61) 8528.4
62) 7887.8
63) 6946.8
64) 6896.8
65) 7317.2
66) 7167.1
67) 7977.9
68) 7147.0
69) 5305.2
70) 5415.3
71) 5605.5
72) 5615.5
73) 2672.6
74) 2582.5
TOTAL10149100.0
44) [Examination: Blood Pressure] Blood pressure status (PEASCST1)
TOTAL%
1) Complete935795.9
2) Partial270.3
3) Not done3783.9
Missing387 
TOTAL9762100.0
45) Blood pressure time in seconds (PEASCTM1)
NMeanStd.Deviation
TOTAL9369492.577222
46) Blood pressure comment (PEASCCT1)
TOTAL%
2) Sample person refusal235.7
3) No time102.5
4) Physical limitation30.7
5) Communication problem30.7
7) Sample person ill/emergency82.0
56) Came late/left early33382.2
84) Sample person with child61.5
99) Other, specify194.7
Missing9744 
TOTAL405100.0
47) 60 second HR (30 sec HRx2) (BPXCHR)
NMeanStd.Deviation
TOTAL2016106.30821
48) Have you had any of the following in the past 30 minutes? Food (BPQ150A)
TOTAL%
1) Yes167922.8
2) No569177.2
Missing2779 
TOTAL7370100.0
49) Have you had any of the following in the past 30 minutes? Alcohol (BPQ150B)
TOTAL%
1) Yes30.0
2) No7367100.0
Missing2779 
TOTAL7370100.0
50) Have you had any of the following in the past 30 minutes? Coffee (BPQ150C)
TOTAL%
1) Yes490.7
2) No732199.3
Missing2779 
TOTAL7370100.0
51) Have you had any of the following in the past 30 minutes? Cigarettes (BPQ150D)
TOTAL%
1) Yes1401.9
2) No723098.1
Missing2779 
TOTAL7370100.0
52) Arm selected (BPAARM)
TOTAL%
1) Right732699.4
2) Left360.5
8) Could not obtain80.1
Missing2779 
TOTAL7370100.0
53) Coded cuff size [Cuff size (cm) (width X length)] (BPACSZ)
TOTAL%
2) Child (9X17)4486.1
3) Adult (12X22)238832.5
4) Large (15X32)353048.0
5) Thigh (18X35)98713.4
Missing2796 
TOTAL7353100.0
54) 60 second pulse (30 second pulse X 2) (BPXPLS)
TOTAL%
40) 10.0
42) 30.0
44) 60.1
46) 170.2
48) 240.3
50) 480.7
52) 711.0
54) 1141.5
56) 1722.3
58) 2353.2
60) 3164.3
62) 3354.6
64) 3705.0
66) 4085.5
68) 4396.0
70) 4836.6
72) 4816.5
74) 4696.4
76) 4426.0
78) 3865.2
80) 3785.1
82) 3504.8
84) 3014.1
86) 2463.3
88) 2403.3
90) 1822.5
92) 1652.2
94) 1452.0
96) 1221.7
98) 891.2
100) 731.0
102) 831.1
104) 410.6
106) 440.6
108) 190.3
110) 140.2
112) 140.2
114) 110.1
116) 30.0
118) 50.1
120) 30.0
122) 10.0
124) 10.0
126) 20.0
128) 30.0
132) 20.0
136) 10.0
142) 10.0
204) 10.0
224) 10.0
Missing2788 
TOTAL7361100.0
55) Pulse regular or irregular? (BPXPULS)
TOTAL%
1) Regular921598.2
2) Irregular1711.8
Missing763 
TOTAL9386100.0
56) Pulse type (BPXPTY)
TOTAL%
1) Radical736599.9
2) Brachial50.1
Missing2779 
TOTAL7370100.0
57) MIL: Maximum inflation levels (mm Hg) (BPXML1)
TOTAL%
110) 510.7
120) 6508.8
130) 156121.2
140) 185925.3
150) 130817.8
160) 79210.8
170) 5056.9
180) 2763.8
190) 1652.2
200) 941.3
210) 560.8
220) 210.3
230) 60.1
240) 80.1
Missing2797 
TOTAL7352100.0
58) Systolic: Blood pressure (first reading) mm Hg (BPXSY1)
NMeanStd.Deviation
TOTAL7147121.16420
59) Diastolic: Blood pressure (first reading) mm Hg (BPXDI1)
NMeanStd.Deviation
TOTAL714766.9614
60) Enhancement used first reading (BPAEN1)
TOTAL%
2) No7354100.0
Missing2795 
TOTAL7354100.0
61) Systolic: Blood pressure (second reading) mm Hg (BPXSY2)
NMeanStd.Deviation
TOTAL6876120.08119
62) Diastolic: Blood pressure(second reading) mm Hg (BPXDI2)
NMeanStd.Deviation
TOTAL687666.9614
63) Enhancement used second reading (BPAEN2)
TOTAL%
1) Yes721.0
2) No728299.0
Missing2795 
TOTAL7354100.0
64) Systolic: Blood pressure (third reading) mm Hg (BPXSY3)
NMeanStd.Deviation
TOTAL6759119.12118
65) Diastolic: Blood pressure (third reading) mm Hg) (BPXDI3)
NMeanStd.Deviation
TOTAL675966.71814
66) Enhancement used third reading (BPAEN3)
TOTAL%
1) Yes640.9
2) No729099.1
Missing2795 
TOTAL7354100.0
67) Systolic: Blood pressure (fourth reading if necessary) mm Hg (BPXSY4)
NMeanStd.Deviation
TOTAL225127.70725
68) Diastolic: Blood pressure (fourth reading if necessary) mm Hg (BPXDI4)
TOTAL%
0) 20.9
22) 10.4
24) 10.4
28) 10.4
30) 10.4
32) 10.4
36) 20.9
44) 10.4
46) 20.9
48) 31.3
50) 41.8
52) 52.2
54) 20.9
56) 52.2
58) 73.1
60) 62.7
62) 177.6
64) 146.2
66) 125.3
68) 104.4
70) 94.0
72) 125.3
74) 135.8
76) 135.8
78) 104.4
80) 135.8
82) 114.9
84) 135.8
86) 52.2
88) 41.8
90) 62.7
92) 62.7
94) 31.3
96) 10.4
98) 10.4
100) 20.9
104) 41.8
114) 10.4
118) 10.4
Missing9924 
TOTAL225100.0
69) Enhancement used fourth reading (BPAEN4)
TOTAL%
1) Yes162.0
2) No78498.0
Missing9349 
TOTAL800100.0
70) [Examination: Body Measurements] Body measures component status code (BMDSTATS)
TOTAL%
1) Complete data for age group808882.9
2) Partial: Height and weight obtained2412.5
3) Other partial exam132213.5
4) No body measures exam data1111.1
Missing387 
TOTAL9762100.0
71) Weight (kg) (BMXWT)
NMeanStd.Deviation
TOTAL963162.16832
72) Weight comment (BMIWT)
TOTAL%
1) Could not obtain288.3
3) Clothing29286.1
4) Medical appliance195.6
Missing9810 
TOTAL339100.0
73) Recumbent length (cm) (BMXRECUM)
NMeanStd.Deviation
TOTAL119480.89514
74) Recumbent length comment (BMIRECUM)
TOTAL%
1) Could not obtain1794.4
3) Not straight15.6
Missing10131 
TOTAL18100.0
75) Head circumference (cm) (BMXHEAD)
NMeanStd.Deviation
TOTAL26041.283
76) Standing height (cm) (BMXHT)
NMeanStd.Deviation
TOTAL8873156.08724
77) Standing height comment (BMIHT)
TOTAL%
1) Could not obtain5016.2
3) Not straight25983.8
Missing9840 
TOTAL309100.0
78) Body mass index (kg/m**2) (BMXBMI)
NMeanStd.Deviation
TOTAL889825.6778
79) Upper leg length (BMXLEG)
NMeanStd.Deviation
TOTAL730437.894
80) Upper leg length (BMILEG)
TOTAL%
1) Could not obtain324100.0
Missing9825 
TOTAL324100.0
81) Upper arm length (cm) (BMXARML)
NMeanStd.Deviation
TOTAL927633.068
82) Upper arm length comment (BMIARML)
TOTAL%
1) Could not obtain299100.0
Missing9850 
TOTAL299100.0
83) Arm circumference (cm) (BMXARMC)
NMeanStd.Deviation
TOTAL928128.3118
84) Arm circumference comment (BMIARMC)
TOTAL%
1) Could not obtain302100.0
Missing9847 
TOTAL302100.0
85) Waist circumference (cm) (BMXWAIST)
NMeanStd.Deviation
TOTAL853887.40522
86) Waist circumference comment (BMIWAIST)
TOTAL%
1) Could not obtain369100.0
Missing9780 
TOTAL369100.0
87) Triceps skin fold (mm) (BMXTRI)
NMeanStd.Deviation
TOTAL894416.5138
88) Triceps skin fold comment (BMITRI)
TOTAL%
1) Could not obtain44269.0
2) Exceeds capacity19931.0
Missing9508 
TOTAL641100.0
89) Subscapular skin fold (mm) (BMXSUB)
NMeanStd.Deviation
TOTAL821316.5529
90) Subscapular skin fold comment (BMISUB)
TOTAL%
1) Could not obtain123289.8
2) Exceeds capacity14010.2
Missing8777 
TOTAL1372100.0
91) [Examination: Dual Energy X-ray Absorptiometry -- Femur] Femur scan status (DXAFMRST)
TOTAL%
1) Femur scan completed, all data are valid651784.3
2) Femur scan completed, all data are invalid2383.1
3) Femur not scanned, pregnant570.7
4) Femur not scanned, weight more than 300 pounds981.3
5) Femur not scanned, other reason82410.7
Missing2415 
TOTAL7734100.0
92) Total femur BMD invalidity code (DXXFMBCC)
TOTAL%
0) Valid data651896.5
1) Jewelry or other objects not removed10.0
2) Non-removable objects (includes prostheses, implants)20.0
4) Body parts out of scan region60.1
6) Other (panniculus, participant motion, unknown artifacts)2283.4
Missing3394 
TOTAL6755100.0
93) Total femur bone mineral density (gm/cm^2) (DXXOFBMD)
NMeanStd.Deviation
TOTAL6517.9470
94) Total femur bone mineral content (gm) (DXXOFBMC)
NMeanStd.Deviation
TOTAL651733.66611
95) Total femur area (CM^2) (DXXOFA)
NMeanStd.Deviation
TOTAL651734.937
96) Femoral neck bone mineral density (gm/cm^2) (DXXNKBMD)
NMeanStd.Deviation
TOTAL6517.8320
97) Femoral neck bone mineral content (gm) (DXXNKBMC)
NMeanStd.Deviation
TOTAL65174.2331
98) Femoral neck area (cm^2) (DXXNKA)
NMeanStd.Deviation
TOTAL65175.0611
99) Trochanter bone mineral density (gm/cm^2) (DXXTRBMD)
NMeanStd.Deviation
TOTAL6517.720
100) Trochanter bone mineral content (gm) (DXXTRBMC)
NMeanStd.Deviation
TOTAL65177.9663
101) Trochanter area (cm^2) (DXXTRA)
NMeanStd.Deviation
TOTAL651710.8373
102) Intertrochanter bone mineral density (gm/cm^2) (DXXINBMD)
NMeanStd.Deviation
TOTAL65171.1080
103) Intertrochanter bone mineral content (gm) (DXXINBMC)
NMeanStd.Deviation
TOTAL651721.4677
104) Intertrochanter area (cm^2) (DXXINA)
NMeanStd.Deviation
TOTAL651719.0324
105) Ward's triangle bone mineral density (gm/cm^2) (DXXWDBMD)
NMeanStd.Deviation
TOTAL6517.7030
106) Ward's triangle bone mineral content (gm) (DXXWDBMC)
NMeanStd.Deviation
TOTAL6517.8370
107) Ward's triangle area (cm^2) (DXXWDA)
TOTAL%
1.04) 5708.7
1.06) 30.0
1.07) 10.0
1.08) 1682.6
1.09) 570.9
1.1) 1712.6
1.11) 1241.9
1.12) 76811.8
1.13) 70.1
1.14) 68010.4
1.15) 1812.8
1.16) 101715.6
1.17) 4516.9
1.18) 781.2
1.19) 781.2
1.2) 771.2
1.21) 320.5
1.22) 320.5
1.23) 50.1
1.24) 100.2
1.25) 40.1
1.26) 60.1
1.27) 40.1
1.28) 10.0
1.29) 1933.0
1.3) 153523.6
1.31) 2644.1
Missing3632 
TOTAL6517100.0
108) Calculated K for femur (DXAFMRK)
NMeanStd.Deviation
TOTAL67521.1370
109) Calculated DO for femur (DXAFMRD0)
NMeanStd.Deviation
TOTAL675248.3352
110) [Examination: Ophthalmology -- Frequency Doubling Technology] FDT exam status (OPASCST1)
TOTAL%
1) Complete322583.5
2) Partial1273.3
3) Not done51113.2
Missing6286 
TOTAL3863100.0
111) FDT exam status comment. Reason for a Partial or Not Done Exam (OPASCCT1)
TOTAL%
1) Safety exclusion60.9
2) SP refusal365.6
3) No time182.8
4) Physical limitation9915.5
5) Communication problem436.7
6) Equipment failure101.6
7) SP ill/emergency91.4
12) Eye specific limitation629.7
14) Interrupted20.3
40) Unable to follow protocol152.4
56) Came late/left early31549.4
72) Error (technician/software/supply)30.5
84) SP with child121.9
86) SP blind71.1
99) Other, specify10.2
Missing9511 
TOTAL638100.0
112) [Examination: Vision] Does SP appear to have a severe eye infection in one or both eyes? (VIQ110)
TOTAL%
1) Yes40.1
2) No368499.9
Missing6461 
TOTAL3688100.0
113) If so, which eye? (VIQ121)
TOTAL%
2) Left375.0
3) Both125.0
Missing10145 
TOTAL4100.0
114) Is SP wearing an eye patch? (VIQ130)
TOTAL%
2) No3684100.0
Missing6465 
TOTAL3684100.0
115) Final right eye status - 2-2-1 Algorithm defined visual field loss, incorporating test reliability indices (OPDODFDT)
TOTAL%
0) Not done53813.9
1) Normal270370.0
2) Positive1874.8
3) Insufficient701.8
4) Unreliable3659.4
Missing6286 
TOTAL3863100.0
116) Final left eye status - 2-2-1 Algorithm defined visual field loss, incorporating test reliability indices (OPDOSFDT)
TOTAL%
0) Not Done53513.8
1) Normal241462.5
2) Positive2606.7
3) Insufficient772.0
4) Unreliable57714.9
Missing6286 
TOTAL3863100.0
117) Blind Spot Test: The ratio of the number of times participant responded to a target placed in the blind spot versus the total number of targets presented - Right Eye - Test 1 (OPX1ODBS)
TOTAL%
0) Test not performed290.9
1) 0/3292987.4
2) 1/33269.7
3) 2/3471.4
4) 3/3210.6
Missing6797 
TOTAL3352100.0
118) False Positive Test: The ratio of the number of times participant responded to a 'pause' during testing (i.e., no target presented) versus total number of 'pauses' presented - Right Eye - Test 1 (OPX1ODFP)
TOTAL%
0) Test not performed290.9
1) 0/3292087.1
2) 1/333510.0
3) 2/3521.6
4) 3/3160.5
Missing6797 
TOTAL3352100.0
119) Participant not fixating on target - Technician noted - Right Eye - Test 1 (OPX1ODTN)
TOTAL%
0) No noted lack of fixation309992.5
1) Technician noted lack of fixation2537.5
Missing6797 
TOTAL3352100.0
120) CT screening result code - Right Eye - Test 1 (OPX1OD02)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation288786.1
7) P greater than or equal to 5 percent 2nd presentation2286.8
8) P less than 5 percent802.4
9) P less than 2 percent361.1
10) P less than 1 percent922.7
Missing6797 
TOTAL3352100.0
121) T6 screening result code - Right Eye - Test 1 (OPX1OD03)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation282984.4
7) P greater than or equal to 5 percent 2nd presentation2146.4
8) P less than 5 percent1063.2
9) P less than 2 percent611.8
10) P less than 1 percent1133.4
Missing6797 
TOTAL3352100.0
122) T2 screening result code - Right Eye - Test 1 (OPX1OD04)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation280383.6
7) P greater than or equal to 5 percent 2nd presentation2226.6
8) P less than 5 percent1253.7
9) P less than 2 percent641.9
10) P less than 1 percent1093.3
Missing6797 
TOTAL3352100.0
123) T5 screening result code - Right Eye - Test 1 (OPX1OD05)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation267879.9
7) P greater than or equal to 5 percent 2nd presentation2377.1
8) P less than 5 percent1454.3
9) P less than 2 percent862.6
10) P less than 1 percent1775.3
Missing6797 
TOTAL3352100.0
124) T1 screening result code - Right Eye - Test 1 (OPX1OD06)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation269580.4
7) P greater than or equal to 5 percent 2nd presentation2316.9
8) P less than 5 percent1283.8
9) P less than 2 percent732.2
10) P less than 1 percent1965.8
Missing6797 
TOTAL3352100.0
125) N2 results - Right - Test 1 (OPX1OD07)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation282684.3
7) P greater than or equal to 5 percent 2nd presentation2226.6
8) P less than 5 percent822.4
9) P less than 2 percent692.1
10) P less than 1 percent1243.7
Missing6797 
TOTAL3352100.0
126) N6 screening result code - Right Eye - Test 1 (OPX1OD08)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation281784.0
7) P greater than or equal to 5 percent 2nd presentation2246.7
8) P less than 5 percent902.7
9) P less than 2 percent551.6
10) P less than 1 percent1374.1
Missing6797 
TOTAL3352100.0
127) N1 screening result code - Right Eye - Test 1 (OPX1OD09)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation271180.9
7) P greater than or equal to 5 percent 2nd presentation2337.0
8) P less than 5 percent1334.0
9) P less than 2 percent802.4
10) P less than 1 percent1665.0
Missing6797 
TOTAL3352100.0
128) N5 screening result code - Right Eye - Test 1 (OPX1OD10)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation276282.4
7) P greater than or equal to 5 percent 2nd presentation2517.5
8) P less than 5 percent1093.3
9) P less than 2 percent491.5
10) P less than 1 percent1524.5
Missing6797 
TOTAL3352100.0
129) N3 screening result code - Right Eye - Test 1 (OPX10D11)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation287585.8
7) P greater than or equal to 5 percent 2nd presentation2026.0
8) P less than 5 percent752.2
9) P less than 2 percent531.6
10) P less than 1 percent1183.5
Missing6797 
TOTAL3352100.0
130) N7 screening result code - Right Eye - Test 1 (OPX10D12)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation287185.7
7) P greater than or equal to 5 percent 2nd presentation1915.7
8) P less than 5 percent812.4
9) P less than 2 percent571.7
10) P less than 1 percent1233.7
Missing6797 
TOTAL3352100.0
131) N4 screening result code - Right Eye - Test 1 (OPX10D13)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation283684.6
7) P greater than or equal to 5 percent 2nd presentation2046.1
8) P less than 5 percent993.0
9) P less than 2 percent601.8
10) P less than 1 percent1243.7
Missing6797 
TOTAL3352100.0
132) N8 screening result code - Right Eye - Test 1 (OPX10D14)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation284384.8
7) P greater than or equal to 5 percent 2nd presentation1955.8
8) P less than 5 percent942.8
9) P less than 2 percent591.8
10) P less than 1 percent1323.9
Missing6797 
TOTAL3352100.0
133) T7 screening result code - Right Eye - Test 1 (OPX10D15)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation284184.8
7) P greater than or equal to 5 percent 2nd presentation2226.6
8) P less than 5 percent982.9
9) P less than 2 percent641.9
10) P less than 1 percent982.9
Missing6797 
TOTAL3352100.0
134) T3 screening result code - Right Eye - Test 1 (OPX10D16)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation284184.8
7) P greater than or equal to 5 percent 2nd presentation2206.6
8) P less than 5 percent1023.0
9) P less than 2 percent521.6
10) P less than 1 percent1083.2
Missing6797 
TOTAL3352100.0
135) T8 screening result code - Right Eye - Test 1 (OPX10D17)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation282684.3
7) P greater than or equal to 5 percent 2nd presentation1965.8
8) P less than 5 percent1023.0
9) P less than 2 percent722.1
10) P less than 1 percent1273.8
Missing6797 
TOTAL3352100.0
136) T4 screening result code - Right Eye - Test 1 (OPX10D18)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation282684.3
7) P greater than or equal to 5 percent 2nd presentation2116.3
8) P less than 5 percent1203.6
9) P less than 2 percent521.6
10) P less than 1 percent1143.4
Missing6797 
TOTAL3352100.0
137) NS screening result code - Right Eye - Test 1 (OPX10D19)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation280483.7
7) P greater than or equal to 5 percent 2nd presentation2286.8
8) P less than 5 percent1123.3
9) P less than 2 percent511.5
10) P less than 1 percent1283.8
Missing6797 
TOTAL3352100.0
138) NI screening result code - Right Eye - Test 1 (OPX10D20)
TOTAL%
0) None290.9
6) P greater than or equal to 5 percent 1st presentation286385.4
7) P greater than or equal to 5 percent 2nd presentation1965.8
8) P less than 5 percent902.7
9) P less than 2 percent461.4
10) P less than 1 percent1283.8
Missing6797 
TOTAL3352100.0
139) Response to BS stimulus: Blind spot test -- The ratio of the number of times participant responded to a target placed in the blind spot versus the total number of targets presented - Left Eye - Test 1 (OPX1OSBS)
TOTAL%
0) Test not performed351.0
1) 0/3271981.1
2) 1/345013.4
3) 2/31133.4
4) 3/3351.0
Missing6797 
TOTAL3352100.0
140) Response to FP stimulus: False positive test -- The ratio of the number of times participant responded to a 'pause' during testing (i.e., no target presented) versus total number of 'pauses' presented - Left Eye - Test 1 (OPX10SFP)
TOTAL%
0) Test not performed351.0
1) 0/3293687.6
2) 1/33059.1
3) 2/3511.5
4) 3/3250.7
Missing6797 
TOTAL3352100.0
141) No fixation per Tech: Participant not fixating on target - Technician noted - Left Eye - Test 1 (OPX1OSTN)
TOTAL%
0) No noted lack of fixation298889.1
1) Technician noted lack of fixation36410.9
Missing6797 
TOTAL3352100.0
142) NS screening result code - Left Eye - Test 1 (OPX1OS00)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation273181.5
7) P greater than or equal to 5 percent 2nd presentation2337.0
8) P less than 5 percent1133.4
9) P less than 2 percent641.9
10) P less than 1 percent1765.3
Missing6797 
TOTAL3352100.0
143) NI screening result code - Left Eye - Test 1 (OPX1OS01)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation278483.1
7) P greater than or equal to 5 percent 2nd presentation2086.2
8) P less than 5 percent993.0
9) P less than 2 percent551.6
10) P less than 1 percent1715.1
Missing6797 
TOTAL3352100.0
144) CT screening result code - Left Eye - Test 1 (OPX1OS02)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation283084.4
7) P greater than or equal to 5 percent 2nd presentation2106.3
8) P less than 5 percent1063.2
9) P less than 2 percent621.8
10) P less than 1 percent1093.3
Missing6797 
TOTAL3352100.0
145) N2 screening result code - Left Eye - Test 1 (OPX1OS03)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation273481.6
7) P greater than or equal to 5 percent 2nd presentation2467.3
8) P less than 5 percent1233.7
9) P less than 2 percent631.9
10) P less than 1 percent1514.5
Missing6797 
TOTAL3352100.0
146) N6 screening result code - Left Eye - Test 1 (OPX1OS04)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation268080.0
7) P greater than or equal to 5 percent 2nd presentation2637.8
8) P less than 5 percent1344.0
9) P less than 2 percent672.0
10) P less than 1 percent1735.2
Missing6797 
TOTAL3352100.0
147) N1 screening result code - Left Eye - Test 1 (OPX1OS05)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation248974.3
7) P greater than or equal to 5 percent 2nd presentation3199.5
8) P less than 5 percent1695.0
9) P less than 2 percent1083.2
10) P less than 1 percent2326.9
Missing6797 
TOTAL3352100.0
148) N5 screening result code - Left Eye - Test 1 (OPX1OS06)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation261177.9
7) P greater than or equal to 5 percent 2nd presentation2688.0
8) P less than 5 percent1554.6
9) P less than 2 percent822.4
10) P less than 1 percent2016.0
Missing6797 
TOTAL3352100.0
149) T6 screening result code - Left Eye - Test 1 (OPX1OS07)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation269180.3
7) P greater than or equal to 5 percent 2nd presentation2567.6
8) P less than 5 percent1634.9
9) P less than 2 percent692.1
10) P less than 1 percent1384.1
Missing6797 
TOTAL3352100.0
150) T2 screening result code - Left Eye - Test 1 (OPX1OS08)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation269080.3
7) P greater than or equal to 5 percent 2nd presentation2367.0
8) P less than 5 percent1584.7
9) P less than 2 percent722.1
10) P less than 1 percent1614.8
Missing6797 
TOTAL3352100.0
151) T5 screening result code - Left Eye - Test 1 (OPX1OS09)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation250174.6
7) P greater than or equal to 5 percent 2nd presentation2928.7
8) P less than 5 percent1915.7
9) P less than 2 percent1203.6
10) P less than 1 percent2136.4
Missing6797 
TOTAL3352100.0
152) T1 screening result code - Left Eye - Test 1 (OPX1OS10)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation255376.2
7) P greater than or equal to 5 percent 2nd presentation2738.1
8) P less than 5 percent1845.5
9) P less than 2 percent882.6
10) P less than 1 percent2196.5
Missing6797 
TOTAL3352100.0
153) T7 screening result code - Left Eye - Test 1 (OPX1OS11)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation274281.8
7) P greater than or equal to 5 percent 2nd presentation2497.4
8) P less than 5 percent1173.5
9) P less than 2 percent631.9
10) P less than 1 percent1464.4
Missing6797 
TOTAL3352100.0
154) T3 screening result code - Left Eye - Test 1 (OPX1OS12)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation281483.9
7) P greater than or equal to 5 percent 2nd presentation2116.3
8) P less than 5 percent1033.1
9) P less than 2 percent631.9
10) P less than 1 percent1263.8
Missing6797 
TOTAL3352100.0
155) T8 screening result code - Left Eye - Test 1 (OPX1OS13)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation269580.4
7) P greater than or equal to 5 percent 2nd presentation2698.0
8) P less than 5 percent1203.6
9) P less than 2 percent932.8
10) P less than 1 percent1404.2
Missing6797 
TOTAL3352100.0
156) T4 screening result code - Left Eye - Test 1 (OPX1OS14)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation268980.2
7) P greater than or equal to 5 percent 2nd presentation2507.5
8) P less than 5 percent1454.3
9) P less than 2 percent862.6
10) P less than 1 percent1474.4
Missing6797 
TOTAL3352100.0
157) N3 screening result code - Left Eye - Test 1 (OPX1OS15)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation278683.1
7) P greater than or equal to 5 percent 2nd presentation2136.4
8) P less than 5 percent1123.3
9) P less than 2 percent571.7
10) P less than 1 percent1494.4
Missing6797 
TOTAL3352100.0
158) N7 screening result code - Left Eye - Test 1 (OPX1OS16)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation274481.9
7) P greater than or equal to 5 percent 2nd presentation2226.6
8) P less than 5 percent1173.5
9) P less than 2 percent762.3
10) P less than 1 percent1584.7
Missing6797 
TOTAL3352100.0
159) N4 screening result code - Left Eye - Test 1 (OPX1OS17)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation272681.3
7) P greater than or equal to 5 percent 2nd presentation2507.5
8) P less than 5 percent1153.4
9) P less than 2 percent712.1
10) P less than 1 percent1554.6
Missing6797 
TOTAL3352100.0
160) N8 screening result code - Left Eye - Test 1 (OPX1OS18)
TOTAL%
0) None351.0
6) P greater than or equal to 5 percent 1st presentation275182.1
7) P greater than or equal to 5 percent 2nd presentation1895.6
8) P less than 5 percent1283.8
9) P less than 2 percent641.9
10) P less than 1 percent1855.5
Missing6797 
TOTAL3352100.0
161) Response to BS stimulus - Right - Test 2 [Blind Spot Test - The ratio of the number of times participant responded to a target placed in the blind spot versus the total number of targets presented - Right Eye - Test 2] (OPX2ODBS)
TOTAL%
0) Test not performed250.8
1) 0/3287887.7
2) 1/33239.8
3) 2/3421.3
4) 3/3140.4
Missing6867 
TOTAL3282100.0
162) Response to FP stimulus - Right - Test 2 [False Positive Test - The ratio of the number of times participant responded to a 'pause' during testing (i.e., no target presented) versus total number of 'pauses' presented - Right Eye - Test 2] (OPX2ODFP)
TOTAL%
0) Test not performed250.8
1) 0/3289688.2
2) 1/32989.1
3) 2/3491.5
4) 3/3140.4
Missing6867 
TOTAL3282100.0
163) No fixation per Tech - Right - Test 2 [Participant not fixating on target - Technician noted - Right Eye - Test 2] (OPX2ODTN)
TOTAL%
0) No noted lack of fixation313495.5
1) Technician noted lack of fixation1484.5
Missing6867 
TOTAL3282100.0
164) CT result - Right - Test 2 [CT screening result code - Right Eye - Test 2] (OPX2OD02)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation278184.7
7) P greater than or equal to 5 percent 2nd presentation2668.1
8) P less than 5 percent822.5
9) P less than 2 percent481.5
10) P less than 1 percent802.4
Missing6867 
TOTAL3282100.0
165) T6 results - Right - Test 2 [T6 screening result code - Right Eye - Test 2] (OPX2OD03)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation275583.9
7) P greater than or equal to 5 percent 2nd presentation2718.3
8) P less than 5 percent962.9
9) P less than 2 percent481.5
10) P less than 1 percent872.7
Missing6867 
TOTAL3282100.0
166) T2 results - Right - Test 2 [T2 screening result code - Right Eye - Test 2] (OPX2OD04)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation269082.0
7) P greater than or equal to 5 percent 2nd presentation3229.8
8) P less than 5 percent942.9
9) P less than 2 percent461.4
10) P less than 1 percent1053.2
Missing6867 
TOTAL3282100.0
167) T5 results - Right - Test 2 [T5 screening result code - Right Eye - Test 2] (OPX2OD05)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation262480.0
7) P greater than or equal to 5 percent 2nd presentation3139.5
8) P less than 5 percent1093.3
9) P less than 2 percent772.3
10) P less than 1 percent1344.1
Missing6867 
TOTAL3282100.0
168) T1 results - Right - Test 2 [T1 screening result code - Right Eye - Test 2] (OPX2OD06)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation261979.8
7) P greater than or equal to 5 percent 2nd presentation2989.1
8) P less than 5 percent1314.0
9) P less than 2 percent702.1
10) P less than 1 percent1394.2
Missing6867 
TOTAL3282100.0
169) N2 results - Right - Test 2 [N2 screening result codes - Right Eye - Test 2] (OPX2OD07)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation275183.8
7) P greater than or equal to 5 percent 2nd presentation2537.7
8) P less than 5 percent902.7
9) P less than 2 percent521.6
10) P less than 1 percent1113.4
Missing6867 
TOTAL3282100.0
170) N6 results - Right - Test 2 [N6 screening result codes - Right Eye - Test 2] (OPX2OD08)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation271682.8
7) P greater than or equal to 5 percent 2nd presentation2878.7
8) P less than 5 percent892.7
9) P less than 2 percent501.5
10) P less than 1 percent1153.5
Missing6867 
TOTAL3282100.0
171) N1 results - Right - Test 2 [N1 screening result codes - Right Eye - Test 2] (OPX2OD09)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation264480.6
7) P greater than or equal to 5 percent 2nd presentation2999.1
8) P less than 5 percent1163.5
9) P less than 2 percent662.0
10) P less than 1 percent1324.0
Missing6867 
TOTAL3282100.0
172) N5 results - Right - Test 2 [N5 screening result codes - Right Eye - Test 2] (OPX2OD10)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation270182.3
7) P greater than or equal to 5 percent 2nd presentation2838.6
8) P less than 5 percent1063.2
9) P less than 2 percent441.3
10) P less than 1 percent1233.7
Missing6867 
TOTAL3282100.0
173) N3 results - Right - Test 2 [N3 screening result codes - Right Eye - Test 2] (OPX2OD11)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation275984.1
7) P greater than or equal to 5 percent 2nd presentation2688.2
8) P less than 5 percent872.7
9) P less than 2 percent441.3
10) P less than 1 percent993.0
Missing6867 
TOTAL3282100.0
174) N7 results - Right - Test 2 [N7 screening result codes - Right Eye - Test 2] (OPX2OD12)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation273483.3
7) P greater than or equal to 5 percent 2nd presentation2848.7
8) P less than 5 percent882.7
9) P less than 2 percent451.4
10) P less than 1 percent1063.2
Missing6867 
TOTAL3282100.0
175) N4 results - Right - Test 2 [N4 screening result codes - Right Eye - Test 2] (OPX2OD13)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation276584.2
7) P greater than or equal to 5 percent 2nd presentation2397.3
8) P less than 5 percent1043.2
9) P less than 2 percent481.5
10) P less than 1 percent1013.1
Missing6867 
TOTAL3282100.0
176) N8 results - Right - Test 2 [N8 screening result codes - Right Eye - Test 2] (OPX2OD14)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation274983.8
7) P greater than or equal to 5 percent 2nd presentation2758.4
8) P less than 5 percent792.4
9) P less than 2 percent411.2
10) P less than 1 percent1133.4
Missing6867 
TOTAL3282100.0
177) T7 results - Right - Test 2 [T7 screening result codes - Right Eye - Test 2] (OPX2OD15)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation278284.8
7) P greater than or equal to 5 percent 2nd presentation2597.9
8) P less than 5 percent952.9
9) P less than 2 percent411.2
10) P less than 1 percent802.4
Missing6867 
TOTAL3282100.0
178) T3 results - Right - Test 2 [T3 screening result codes - Right Eye - Test 2] (OPX2OD16)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation274083.5
7) P greater than or equal to 5 percent 2nd presentation2788.5
8) P less than 5 percent1123.4
9) P less than 2 percent310.9
10) P less than 1 percent962.9
Missing6867 
TOTAL3282100.0
179) T8 results - Right - Test 2 [T8 screening result codes - Right Eye - Test 2] (OPX2OD17)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation272282.9
7) P greater than or equal to 5 percent 2nd presentation2848.7
8) P less than 5 percent1133.4
9) P less than 2 percent431.3
10) P less than 1 percent952.9
Missing6867 
TOTAL3282100.0
180) T4 results - Right - Test 2 [T4 screening result codes - Right Eye - Test 2] (OPX2OD18)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation274183.5
7) P greater than or equal to 5 percent 2nd presentation2567.8
8) P less than 5 percent1043.2
9) P less than 2 percent591.8
10) P less than 1 percent973.0
Missing6867 
TOTAL3282100.0
181) NS results - Right - Test 2 [NS screening result codes - Right Eye - Test 2] (OPX2OD19)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation275383.9
7) P greater than or equal to 5 percent 2nd presentation2708.2
8) P less than 5 percent772.3
9) P less than 2 percent451.4
10) P less than 1 percent1123.4
Missing6867 
TOTAL3282100.0
182) NI results - Right - Test 2 [NI screening result codes - Right Eye - Test 2] (OPX2OD20)
TOTAL%
0) None250.8
6) P greater than or equal to 5 percent 1st presentation278684.9
7) P greater than or equal to 5 percent 2nd presentation2176.6
8) P less than 5 percent882.7
9) P less than 2 percent491.5
10) P less than 1 percent1173.6
Missing6867 
TOTAL3282100.0
183) Response to BS stimulus - Left - Test 2 [Blind Spot Test - The ratio of the number of times participant responded to a target placed in the blind spot versus the total number of targets presented - Left Eye - Test 2] (OPX2OSBS)
TOTAL%
0) Test not performed200.6
1) 0/3268381.7
2) 1/343713.3
3) 2/31023.1
4) 3/3401.2
Missing6867 
TOTAL3282100.0
184) Response to FP stimulus - Left - Test 2 [False Positive Test - The ratio of the number of times participant responded to a 'pause' during testing (i.e., no target presented) versus total number of 'pauses' presented - Left Eye - Test 2] (OPX2OSFP)
TOTAL%
0) Test not performed200.6
1) 0/3287287.5
2) 1/33129.5
3) 2/3571.7
4) 3/3210.6
Missing6867 
TOTAL3282100.0
185) No fixation per Tech - Left -Test 2 [Participant not fixating on target - Technician noted - Left Eye - Test 2] (OPX2OSTN)
TOTAL%
0) No noted lack of fixation304292.7
1) Technician noted lack of fixation2407.3
Missing6867 
TOTAL3282100.0
186) NS result - Left - Test 2 [NS screening result codes - Left Eye - Test 2] (OPX2OS00)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation264680.6
7) P greater than or equal to 5 percent 2nd presentation2607.9
8) P less than 5 percent1183.6
9) P less than 2 percent862.6
10) P less than 1 percent1524.6
Missing6867 
TOTAL3282100.0
187) NI result - Left - Test 2 [NI screening result code - Left Eye - Test 2] (OPX2OS01)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation271982.8
7) P greater than or equal to 5 percent 2nd presentation2206.7
8) P less than 5 percent1083.3
9) P less than 2 percent732.2
10) P less than 1 percent1424.3
Missing6867 
TOTAL3282100.0
188) CT result - Left - Test 2 [CT screening result code - Left Eye - Test 2] (OPX2OS02)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation272583.0
7) P greater than or equal to 5 percent 2nd presentation2688.2
8) P less than 5 percent1083.3
9) P less than 2 percent571.7
10) P less than 1 percent1043.2
Missing6867 
TOTAL3282100.0
189) N2 result - Left - Test 2 [N2 screening result code - Left Eye - Test 2] (OPX2OS03)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation262880.1
7) P greater than or equal to 5 percent 2nd presentation2828.6
8) P less than 5 percent1404.3
9) P less than 2 percent692.1
10) P less than 1 percent1434.4
Missing6867 
TOTAL3282100.0
190) N6 result - Left - Test 2 [N6 screening result code - Left Eye - Test 2] (OPX2OS04)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation257378.4
7) P greater than or equal to 5 percent 2nd presentation2888.8
8) P less than 5 percent1514.6
9) P less than 2 percent852.6
10) P less than 1 percent1655.0
Missing6867 
TOTAL3282100.0
191) N1 result - Left - Test 2 [N1 screening result code - Left Eye - Test 2] (OPX2OS05)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation239372.9
7) P greater than or equal to 5 percent 2nd presentation34510.5
8) P less than 5 percent2096.4
9) P less than 2 percent1103.4
10) P less than 1 percent2056.2
Missing6867 
TOTAL3282100.0
192) N5 result - Left - Test 2 [N5 screening result code - Left Eye - Test 2] (OPX2OS06)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation249876.1
7) P greater than or equal to 5 percent 2nd presentation2979.0
8) P less than 5 percent1865.7
9) P less than 2 percent932.8
10) P less than 1 percent1885.7
Missing6867 
TOTAL3282100.0
193) T6 result - Left - Test 2 [T6 screening result code - Left Eye - Test 2] (OPX2OS07)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation259379.0
7) P greater than or equal to 5 percent 2nd presentation3039.2
8) P less than 5 percent1584.8
9) P less than 2 percent802.4
10) P less than 1 percent1283.9
Missing6867 
TOTAL3282100.0
194) T2 result - Left - Test 2 [T2 screening result code - Left Eye - Test 2] (OPX2OS08)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation258378.7
7) P greater than or equal to 5 percent 2nd presentation2979.0
8) P less than 5 percent1554.7
9) P less than 2 percent902.7
10) P less than 1 percent1374.2
Missing6867 
TOTAL3282100.0
195) T5 result - Left - Test 2 [T5 screening result code - Left Eye - Test 2] (OPX2OS09)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation234871.5
7) P greater than or equal to 5 percent 2nd presentation35710.9
8) P less than 5 percent2196.7
9) P less than 2 percent1153.5
10) P less than 1 percent2236.8
Missing6867 
TOTAL3282100.0
196) T1 result - Left - Test 2 [T1 screening result code - Left Eye - Test 2] (OPX2OS10)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation244774.6
7) P greater than or equal to 5 percent 2nd presentation3049.3
8) P less than 5 percent1976.0
9) P less than 2 percent1053.2
10) P less than 1 percent2096.4
Missing6867 
TOTAL3282100.0
197) T7 result - Left - Test 2 [T7 screening result code - Left Eye - Test 2] (OPX2OS11)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation268381.7
7) P greater than or equal to 5 percent 2nd presentation2387.3
8) P less than 5 percent1283.9
9) P less than 2 percent892.7
10) P less than 1 percent1243.8
Missing6867 
TOTAL3282100.0
198) T3 result - Left - Test 2 [T3 screening result code - Left Eye - Test 2] (OPX2OS12)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation268481.8
7) P greater than or equal to 5 percent 2nd presentation2547.7
8) P less than 5 percent1454.4
9) P less than 2 percent672.0
10) P less than 1 percent1123.4
Missing6867 
TOTAL3282100.0
199) T8 result - Left - Test 2 [T8 screening result code - Left Eye - Test 2] (OPX2OS13)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation259979.2
7) P greater than or equal to 5 percent 2nd presentation2748.3
8) P less than 5 percent1494.5
9) P less than 2 percent973.0
10) P less than 1 percent1434.4
Missing6867 
TOTAL3282100.0
200) T4 result - Left - Test 2 [T4 screening result code - Left Eye - Test 2] (OPX2OS14)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation261579.7
7) P greater than or equal to 5 percent 2nd presentation2718.3
8) P less than 5 percent1534.7
9) P less than 2 percent892.7
10) P less than 1 percent1344.1
Missing6867 
TOTAL3282100.0
201) N3 result - Left - Test 2 [N3 screening result code - Left Eye - Test 2] (OPX2OS15)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation268781.9
7) P greater than or equal to 5 percent 2nd presentation2868.7
8) P less than 5 percent1093.3
9) P less than 2 percent611.9
10) P less than 1 percent1193.6
Missing6867 
TOTAL3282100.0
202) N7 result - Left - Test 2 [N7 screening result code - Left Eye - Test 2] (OPX2OS16)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation263380.2
7) P greater than or equal to 5 percent 2nd presentation2577.8
8) P less than 5 percent1414.3
9) P less than 2 percent742.3
10) P less than 1 percent1574.8
Missing6867 
TOTAL3282100.0
203) N4 result - Left - Test 2 [N4 screening result code - Left Eye - Test 2] (OPX2OS17)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation265680.9
7) P greater than or equal to 5 percent 2nd presentation2487.6
8) P less than 5 percent1314.0
9) P less than 2 percent782.4
10) P less than 1 percent1494.5
Missing6867 
TOTAL3282100.0
204) N8 result - Left - Test 2 [N8 screening result code - Left Eye - Test 2] (OPX2OS18)
TOTAL%
0) None200.6
6) P greater than or equal to 5 percent 1st presentation263980.4
7) P greater than or equal to 5 percent 2nd presentation2547.7
8) P less than 5 percent1364.1
9) P less than 2 percent692.1
10) P less than 1 percent1645.0
Missing6867 
TOTAL3282100.0
205) [Examination: Oral Health] Overall oral health exam status (OHAEXSTS)
TOTAL%
1) Complete764792.0
2) Partial80.1
3) Not done6567.9
Missing1838 
TOTAL8311100.0
206) Tooth count: Number 8 [Tooth count: Upper right central incisor (CI)] (OHX08HTC)
TOTAL%
1) Primary tooth (deciduous) present2893.8
2) Permanent tooth present614680.4
4) Tooth not present119015.6
5) Permanent dental root fragment present190.2
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
207) Tooth count: Number 7 [Tooth count: Upper right lateral incisor (LI)] (OHX07HTC)
TOTAL%
1) Primary tooth (deciduous) present4846.3
2) Permanent tooth present591777.4
4) Tooth not present121715.9
5) Permanent dental root fragment present260.3
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
208) Tooth count: Number 6 [Tooth count: Tooth Count: Upper right cuspid (C)] (OHX06HTC)
TOTAL%
1) Primary tooth (deciduous) present95212.4
2) Permanent tooth present557472.9
4) Tooth not present109414.3
5) Permanent dental root fragment present240.3
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
209) Tooth count: Number 5 [Tooth count: Tooth Count: Upper right 1st bicuspid (1B)] (OHX05HTC)
TOTAL%
1) Primary tooth (deciduous) present93112.2
2) Permanent tooth present512066.9
4) Tooth not present152920.0
5) Permanent dental root fragment present640.8
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
210) Tooth count: Number 4 [Tooth count: Tooth Count: Upper right 2nd bicuspid (2B)] (OHX04HTC)
TOTAL%
1) Primary tooth (deciduous) present105813.8
2) Permanent tooth present502865.7
4) Tooth not present150819.7
5) Permanent dental root fragment present500.7
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
211) Tooth count: Number 3 [Tooth count: Tooth Count: Upper right 1st molar (1M)] (OHX03HTC)
TOTAL%
2) Permanent tooth present573775.0
4) Tooth not present184624.1
5) Permanent dental root fragment present610.8
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
212) Tooth count: Number 2 [Tooth count: Tooth Count: Upper right 2nd molar (2M)] (OHX02HTC)
TOTAL%
2) Permanent tooth present451559.0
4) Tooth not present309140.4
5) Permanent dental root fragment present380.5
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
213) Tooth count: Number 1 [Tooth count: Tooth Count: Upper right 3rd molar (3M)] (OHX01HTC)
TOTAL%
2) Permanent tooth present108414.2
4) Tooth not present654585.6
5) Permanent dental root fragment present140.2
9) Could not assess50.1
Missing2501 
TOTAL7648100.0
214) Tooth count: Number 9 [Tooth count: Upper left central incisor (CI)] (OHX09HTC)
TOTAL%
1) Primary tooth (deciduous) present2953.9
2) Permanent tooth present614080.3
4) Tooth not present118715.5
5) Permanent dental root fragment present220.3
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
215) Tooth count: Number 10 [Tooth count: Upper left lateral incisor (LI)] (OHX10HTC)
TOTAL%
1) Primary tooth (deciduous) present4906.4
2) Permanent tooth present590177.2
4) Tooth not present121615.9
5) Permanent dental root fragment present370.5
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
216) Tooth count: Number 11 [Tooth count: Upper left cuspid (C)] (OHX11HTC)
TOTAL%
1) Primary tooth (deciduous) present96212.6
2) Permanent tooth present560573.3
4) Tooth not present104913.7
5) Permanent dental root fragment present280.4
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
217) Tooth count: Number 12 [Tooth count: Upper left 1st bicuspid (1B)] (OHX12HTC)
TOTAL%
1) Primary tooth (deciduous) present92612.1
2) Permanent tooth present512867.1
4) Tooth not present153720.1
5) Permanent dental root fragment present530.7
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
218) Tooth count: Number 13 [Tooth count: Upper left 2nd bicuspid (2B)] (OHX13HTC)
TOTAL%
1) Primary tooth (deciduous) present105813.8
2) Permanent tooth present506866.3
4) Tooth not present147319.3
5) Permanent dental root fragment present450.6
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
219) Tooth count: Number 14 [Tooth count: Upper left 1st molar (1M)] (OHX14HTC)
TOTAL%
2) Permanent tooth present566774.1
4) Tooth not present192625.2
5) Permanent dental root fragment present510.7
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
220) Tooth count: Number 15 [Tooth count: Upper left 2nd molar (2M)] (OHX15HTC)
TOTAL%
2) Permanent tooth present448458.6
4) Tooth not present311940.8
5) Permanent dental root fragment present410.5
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
221) Tooth count: Number 16 [Tooth count: Upper left 3rd molar (3M)] (OHX16HTC)
TOTAL%
2) Permanent tooth present111914.6
4) Tooth not present649684.9
5) Permanent dental root fragment present290.4
9) Could not assess40.1
Missing2501 
TOTAL7648100.0
222) Tooth count: Number 24 [Tooth count: Lower left central incisor (CI)] (OHX24HTC)
TOTAL%
1) Primary tooth (deciduous) present2042.7
2) Permanent tooth present662486.6
4) Tooth not present80810.6
5) Permanent dental root fragment present60.1
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
223) Tooth count: Number 23 [Tooth count: Lower left lateral incisor (LI)] (OHX23HTC)
TOTAL%
1) Primary tooth (deciduous) present3584.7
2) Permanent tooth present650985.1
4) Tooth not present76610.0
5) Permanent dental root fragment present90.1
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
224) Tooth count: Number 22 [Tooth count: Lower left cuspid (C)] (OHX22HTC)
TOTAL%
1) Primary tooth (deciduous) present86311.3
2) Permanent tooth present605079.1
4) Tooth not present7179.4
5) Permanent dental root fragment present120.2
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
225) Tooth count: Number 21 [Tooth count: Lower left 1st bicuspid (1B)] (OHX21HTC)
TOTAL%
1) Primary tooth (deciduous) present93012.2
2) Permanent tooth present564873.8
4) Tooth not present103613.5
5) Permanent dental root fragment present280.4
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
226) Tooth count: Number 20 [Tooth count: Lower left 2nd bicuspid (2B)] (OHX20HTC)
TOTAL%
1) Primary tooth (deciduous) present103413.5
2) Permanent tooth present531569.5
4) Tooth not present124816.3
5) Permanent dental root fragment present450.6
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
227) Tooth count: Number 19 [Tooth count: Lower left 1st molar (1M)] (OHX19HTC)
TOTAL%
2) Permanent tooth present546571.5
4) Tooth not present213527.9
5) Permanent dental root fragment present420.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
228) Tooth count: Number 18 [Tooth count: Lower left 2nd molar (2M)] (OHX18HTC)
TOTAL%
2) Permanent tooth present451759.1
4) Tooth not present309040.4
5) Permanent dental root fragment present350.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
229) Tooth count: Number 17 [Tooth count: Lower left 3rd molar (3M)] (OHX17HTC)
TOTAL%
2) Permanent tooth present131317.2
4) Tooth not present631182.5
5) Permanent dental root fragment present180.2
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
230) Tooth count: Number 25 [Tooth count: Lower right central incisor (CI)] (OHX25HTC)
TOTAL%
1) Primary tooth (deciduous) present1922.5
2) Permanent tooth present663886.8
4) Tooth not present80810.6
5) Permanent dental root fragment present40.1
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
231) Tooth count: Number 26 [Tooth count: Lower right lateral incisor (LI)] (OHX26HTC)
TOTAL%
1) Primary tooth (deciduous) present3554.6
2) Permanent tooth present651185.1
4) Tooth not present76310.0
5) Permanent dental root fragment present130.2
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
232) Tooth count: Number 27 [Tooth count: Lower right cuspid (C)] (OHX27HTC)
TOTAL%
1) Primary tooth (deciduous) present86111.3
2) Permanent tooth present606679.3
4) Tooth not present6979.1
5) Permanent dental root fragment present180.2
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
233) Tooth count: Number 28 [Tooth count: Lower right 1st bicuspid (1B)] (OHX28HTC)
TOTAL%
1) Primary tooth (deciduous) present92812.1
2) Permanent tooth present559773.2
4) Tooth not present107914.1
5) Permanent dental root fragment present380.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
234) Tooth count: Number 29 [Tooth count: Lower right 2nd bicuspid (2B)] (OHX29HTC)
TOTAL%
1) Primary tooth (deciduous) present101713.3
2) Permanent tooth present531569.5
4) Tooth not present127416.7
5) Permanent dental root fragment present360.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
235) Tooth count: Number 30 [Tooth count: Lower right 1st molar (1M)] (OHX30HTC)
TOTAL%
2) Permanent tooth present549771.9
4) Tooth not present210427.5
5) Permanent dental root fragment present410.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
236) Tooth count: Number 31 [Tooth count: Lower right 2nd molar (2M)] (OHX31HTC)
TOTAL%
2) Permanent tooth present450458.9
4) Tooth not present309640.5
5) Permanent dental root fragment present420.5
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
237) Tooth count: Number 32 [Tooth count: Lower right 3rd molar (3M)] (OHX32HTC)
TOTAL%
2) Permanent tooth present130217.0
4) Tooth not present632282.7
5) Permanent dental root fragment present180.2
9) Could not assess60.1
Missing2501 
TOTAL7648100.0
238) Dental decay present [Presence of at least one tooth with dental decay] (OHXDECAY)
TOTAL%
1) Yes176423.1
2) No586776.7
9) Could not assess170.2
Missing2501 
TOTAL7648100.0
239) Dental restoration present [Presence of at least one tooth with a dental restoration] (OHXREST)
TOTAL%
1) Yes487763.8
2) No276036.1
9) Could not assess110.1
Missing2501 
TOTAL7648100.0
240) Dental sealant present [Presence of at least one tooth with a dental restoration] (OHXSEAL)
TOTAL%
1) Yes6638.7
2) No697391.2
9) Could not assess120.2
Missing2501 
TOTAL7648100.0
241) Right - Zone 1 (OHXFCRZ1)
TOTAL%
0) No functional contact79516.7
1) Functional contact between two natural teeth313666.0
2) Functional contact tooth/fix prosthesis, removable prosthesis2765.8
3) Functional contact between two removable prosthesis4038.5
9) Cannot assess1423.0
Missing5397 
TOTAL4752100.0
242) Right - Zone 2 (OHXFCRZ2)
TOTAL%
0) No functional contact93619.7
1) Functional contact between two natural teeth295662.2
2) Functional contact tooth/fix prosthesis, removable prosthesis2725.7
3) Functional contact between two removable prosthesis4399.2
9) Cannot assess1493.1
Missing5397 
TOTAL4752100.0
243) Right - Zone 3 (OHXFCRZ3)
TOTAL%
0) No functional contact144430.4
1) Functional contact between two natural teeth249952.6
2) Functional contact tooth/fix prosthesis, removable prosthesis1924.0
3) Functional contact between two removable prosthesis4659.8
9) Cannot assess1523.2
Missing5397 
TOTAL4752100.0
244) Right - Zone 4 (OHXFCRZ4)
TOTAL%
0) No functional contact144030.3
1) Functional contact between two natural teeth251452.9
2) Functional contact tooth/fix prosthesis, removable prosthesis1843.9
3) Functional contact between two removable prosthesis4629.7
9) Cannot assess1523.2
Missing5397 
TOTAL4752100.0
245) Right - Zone 5 (OHXFCRZ5)
TOTAL%
0) No functional contact151531.9
1) Functional contact between two natural teeth251452.9
2) Functional contact tooth/fix prosthesis, removable prosthesis1402.9
3) Functional contact between two removable prosthesis4299.0
9) Cannot assess1543.2
Missing5397 
TOTAL4752100.0
246) Right - Zone 6 (OHXFCRZ6)
TOTAL%
0) No functional contact174936.8
1) Functional contact between two natural teeth233249.1
2) Functional contact tooth/fix prosthesis, removable prosthesis1252.6
3) Functional contact between two removable prosthesis3928.2
9) Cannot assess1543.2
Missing5397 
TOTAL4752100.0
247) Right - Zone 7 (OHXFCRZ7)
TOTAL%
0) No functional contact397083.5
1) Functional contact between two natural teeth60312.7
2) Functional contact tooth/fix prosthesis, removable prosthesis120.3
3) Functional contact between two removable prosthesis70.1
9) Cannot assess1603.4
Missing5397 
TOTAL4752100.0
248) Right - Zone 8 (OHXFCRZ8)
TOTAL%
0) No functional contact418488.0
1) Functional contact between two natural teeth3968.3
2) Functional contact tooth/fix prosthesis, removable prosthesis50.1
3) Functional contact between two removable prosthesis60.1
9) Cannot assess1613.4
Missing5397 
TOTAL4752100.0
249) Left - Zone 1 (OHXFCLZ1)
TOTAL%
0) No functional contact73915.6
1) Functional contact between two natural teeth318567.0
2) Functional contact tooth/fix prosthesis, removable prosthesis2765.8
3) Functional contact between two removable prosthesis4088.6
9) Cannot assess1443.0
Missing5397 
TOTAL4752100.0
250) Left - Zone 2 (OHXFCLZ2)
TOTAL%
0) No functional contact94619.9
1) Functional contact between two natural teeth293561.8
2) Functional contact tooth/fix prosthesis, removable prosthesis2725.7
3) Functional contact between two removable prosthesis4509.5
9) Cannot assess1493.1
Missing5397 
TOTAL4752100.0
251) Left - Zone 3 (OHXFCLZ3)
TOTAL%
0) No functional contact146130.7
1) Functional contact between two natural teeth247252.0
2) Functional contact tooth/fix prosthesis, removable prosthesis1873.9
3) Functional contact between two removable prosthesis47810.1
9) Cannot assess1543.2
Missing5397 
TOTAL4752100.0
252) Left - Zone 4 (OHXFCLZ4)
TOTAL%
0) No functional contact150131.6
1) Functional contact between two natural teeth243951.3
2) Functional contact tooth/fix prosthesis, removable prosthesis1793.8
3) Functional contact between two removable prosthesis47910.1
9) Cannot assess1543.2
Missing5397 
TOTAL4752100.0
253) Left - Zone 5 (OHXFCLZ5)
TOTAL%
0) No functional contact155832.8
1) Functional contact between two natural teeth246151.8
2) Functional contact tooth/fix prosthesis, removable prosthesis1433.0
3) Functional contact between two removable prosthesis4379.2
9) Cannot assess1533.2
Missing5397 
TOTAL4752100.0
254) Left - Zone 6 (OHXFCLZ6)
TOTAL%
0) No functional contact177037.2
1) Functional contact between two natural teeth231148.6
2) Functional contact tooth/fix prosthesis, removable prosthesis1222.6
3) Functional contact between two removable prosthesis3958.3
9) Cannot assess1543.2
Missing5397 
TOTAL4752100.0
255) Left - Zone 7 (OHXFCLZ7)
TOTAL%
0) No functional contact399684.1
1) Functional contact between two natural teeth57312.1
2) Functional contact tooth/fix prosthesis, removable prosthesis110.2
3) Functional contact between two removable prosthesis90.2
9) Cannot assess1633.4
Missing5397 
TOTAL4752100.0
256) Left - Zone 8 (OHXFCLZ8)
TOTAL%
0) No functional contact416987.7
1) Functional contact between two natural teeth4098.6
2) Functional contact tooth/fix prosthesis, removable prosthesis20.0
3) Functional contact between two removable prosthesis70.1
9) Cannot assess1653.5
Missing5397 
TOTAL4752100.0
257) Anterior Zone (OHXFCANT)
TOTAL%
0) No anterior functional contact47910.1
1) Functional contact between two natural teeth340871.7
2) Functional contact tooth/fix prosthesis, removable prosthesis3577.5
3) Functional contact between two removable prosthesis3828.0
9) Cannot assess1262.7
Missing5397 
TOTAL4752100.0
258) Do you have an upper removable partial or full denture? (OHQ410)
TOTAL%
1) Yes114524.1
2) No361575.9
Missing5389 
TOTAL4760100.0
259) Do you usually wear it during the day? [Wears complete/partial max denture] (OHQ420)
TOTAL%
1) Yes103490.3
2) No1109.6
9) Don't know10.1
Missing9004 
TOTAL1145100.0
260) Do you have a lower removable partial or full denture? (OHQ430)
TOTAL%
1) Yes85217.9
2) No390882.1
Missing5389 
TOTAL4760100.0
261) Do you usually wear it during the day? [Wears complete/partial Mand. denture] (OHQ440)
TOTAL%
1) Yes70883.1
2) No14216.7
9) Don't know20.2
Missing9297 
TOTAL852100.0
262) Was the SP in a recumbent (laying down) position for all eligible assessments of the oral health exam? (OHAPOS)
TOTAL%
1) Yes758799.2
2) No600.8
Missing2502 
TOTAL7647100.0
263) [Examination: Ophthalmology -- Retinal Imaging] Retinal imaging exam status (OPASCST2)
TOTAL%
1) Complete317282.1
2) Partial1523.9
3) Not done53914.0
Missing6286 
TOTAL3863100.0
264) Reason for not done/partial [Retinal Imaging Comment] (OPASCCT2)
TOTAL%
1) Safety exclusion60.9
2) SP refusal344.9
3) No time131.9
4) Physical limitation14420.8
5) Communication problem182.6
6) Equipment failure30.4
7) SP ill/emergency91.3
12) Eye specific limitation8612.4
14) Interrupted20.3
56) Came late/left early31645.7
72) Error (technician/software/supply)71.0
84) SP with child121.7
86) SP Blind81.2
99) Other, specify10.1
101) Eye specific limitation: Small pupil size121.7
103) Eye specific limitation: SP unable to keep eyes open101.4
104) Eye specific limitation: SP unable to fixate adequately101.4
Missing9458 
TOTAL691100.0
265) Are field one and field two present, right eye? (OPXDCOMP)
TOTAL%
0) No photos341.0
1) Incomplete922.8
2) Complete319896.2
Missing6825 
TOTAL3324100.0
266) Is field one present in the photos of the right eye? (OPXDF1)
TOTAL%
0) Absent892.7
2) Present323597.3
Missing6825 
TOTAL3324100.0
267) Was the optic nerve in focus from the right eye? (OPXDF1FO)
TOTAL%
0) Good/fair274184.7
1) Borderline36911.4
2) Poor1253.9
Missing6914 
TOTAL3235100.0
268) Was field two present in the photos of the right eye? If absent, ARM and ME may not be measurable in this eye. If present, there is a gradability value, OPXDGRBL (OPXDF2)
TOTAL%
0) Absent571.7
2) Present326798.3
Missing6825 
TOTAL3324100.0
269) Field two focus, right eye: Was the Macula Image in focus from the right eye? (OPXDF2FO)
TOTAL%
0) Good/fair269382.4
1) Borderline40412.4
2) Poor1705.2
Missing6882 
TOTAL3267100.0
270) Gradability of images, right eye: This assumes at least one digital image of the right eye is available. Please refer to the NHANES Digital Retinal Image Grading Protocol for more details and definitions. (OPXDGRBL)
TOTAL%
0) All fields are gradable304492.5
1) Disc is ungradable100.3
2) Portion of the macula is ungradable1314.0
3) Macula ungradable692.1
4) Portion of the disc and macula are ungradable40.1
5) Disc and macula are ungradable130.4
6) All available fields are ungradable190.6
Missing6859 
TOTAL3290100.0
271) Pupil size, right eye (OPXDPMM)
TOTAL%
1) 68420.8
2) 124237.8
3) 91727.9
4) 37711.5
5) 692.1
Missing6860 
TOTAL3289100.0
272) Where there problems with the quality of the images from the right eye? (OPXDPHPR)
TOTAL%
0) No178953.8
2) Yes150145.2
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
273) Photo problem - Illumination, right eye (OPXDPHIL)
TOTAL%
0) No281684.7
2) Yes47414.3
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
274) Photo problem - Field definition, right eye (OPXDPHFD)
TOTAL%
0) No322497.0
2) Yes662.0
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
275) Photo problem - Haze target, right eye (OPXDPHHZ)
TOTAL%
0) No221566.6
2) Yes107532.3
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
276) Photo problem - Dust/dirt, right eye (OPXDPHDD)
TOTAL%
0) No299090.0
2) Yes3009.0
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
277) Photo problem - Lashes, right eye (OPXDPHLA)
TOTAL%
0) No321196.6
2) Yes792.4
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
278) Photo problem - Arc, right eye (OPXDPHAR)
TOTAL%
0) No313394.3
2) Yes1574.7
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
279) Photo problem - Red channel (OPXDPHRC)
TOTAL%
0) No328398.8
2) Yes70.2
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
280) Photo problem - Other (OPXDPHOT)
TOTAL%
0) No256177.0
2) Yes72921.9
9) No photos of eye341.0
Missing6825 
TOTAL3324100.0
281) Calculated levels of retinopathy severity, worse. The worse eye is the eye with the more severe retinopathy. [Instruction: Calculated severity levels are described in more detail in the NHANES Grading Protocol, Retinopathy section. HE=HARD EXUDATES; SE=SOFT EXUDATE; IRMA=INTRARETINAL MICROVASCULAR ABNORMALITIES; VL=VENOUS LOOPS; MAS=MICROANEURYSMS; HEM=HEMORRHAGES; NPR=NON-PROLIFERATIVE RETINOPATHY; RET=RETINOPATHY; PRP LASER=PANRETINAL PHOTOCOAGULATION SCARS PRESENT; PR=PROLIFERATIVE RETINOPATHY; HRC=HIGH RISK CHARACTERISTICS AS DEFINED IN THE EARLY TREATMENT DIABETIC RETINOPATHY STUDY; AND VH=VITREOUS HEMORRHAGE Note: Retinopathy is graded masked to diabetes status and retinopathy may be found in persons with and without diabetes (even though value labels may indicate otherwise). Level 12 is indicated when specific nondiabetic disease, e.g. retinal vein occlusion, is present. To examine retinopathy in persons with diabetes use the diabetes definition found in the NHANES Grading Protocol; to examine in non-diabetic persons exclude all persons with diabetes.] (OPDURET)
TOTAL%
10) No retinopathy258979.8
12) Non-diabetic retinal disease specific retinopathy802.5
13) Questionable retinopathy1805.5
14) HE, SE, IRMA, VL but no MAS150.5
15) HEM only, no MAS742.3
20) MAS only1685.2
31) Early NPR722.2
41) Moderate NPR421.3
51) Severe NPR70.2
60) Fibrous proliferative only40.1
61) No retinopathy but PRP laser20.1
63) Early NPR + PRP laser60.2
64) Moderate/severe NPR + PRP laser20.1
65) PR less than HRC30.1
70) PR greater than or equal to HRC10.0
Missing6904 
TOTAL3245100.0
282) Four levels retinopathy severity, worse eye [This variable provides information on four levels of retinopathy severity, from the worse eye. The worse eye is the eye with the more severe retinopathy. Four levels of retinopathy severity are computed from variable OPDURET: 1=LEVELS 10-13; 2=LEVELS 14-31; 3=LEVELS 41-51; 4=LEVELS 60-80. This variable is often used in examining associations with retinopathy severity. To collapse further, can combine code 1=No Retinopathy; 2-4=Retinopathy; For a No Proliferative Retinopathy vs. Proliferative analysis, combine 1-3 as Non-Proliferative.] (OPDURL4)
TOTAL%
1) No retinopathy284987.8
2) Mild NPR32910.1
3) Moderate/severe NPR491.5
4) PR (Proliferative)180.6
Missing6904 
TOTAL3245100.0
283) Any retinopathy, worse eye [This field is coded for the presence or absence of any retinopathy from the worse eye. The worse eye is the eye with the more severe retinopathy. This variable is calculated from the OPDURET variable as follows: 0(No)=LEVELS less than 14; 1(Yes)=LEVELS greater than or equal to14] (OPDUARMA)
TOTAL%
0) No284987.8
1) Yes39612.2
Missing6904 
TOTAL3245100.0
284) MAS, HEM, worse eye [This summary variable provides information describing microaneurysms (MAS) only, blot hemorrhages (HEM) only, or both, using two severity levels from the ETDRS standard 2A, worse eye. Value 5 is more severe than value 4. For MAS only, see variable OPDUMA. For HEM only, see variable OPDUHEM. Combined MAS and/or HEM would include values 2 to 5 as present and values 0 and 1 as none.] (OPDUHMA)
TOTAL%
0) None264281.3
1) Questionable1715.3
2) MAS only1986.1
3) HEM only1083.3
4) HEM+MAS less than 2A1243.8
5) HEM+MAS greater than or equal to 2A70.2
Missing6899 
TOTAL3250100.0
285) Retinal microaneurysms, worse eye [This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, worse eye. English Instructions: This variable is calculated as being present Question: (1=YES) if variable OPDUHMA=2 and absent (0=NO) if OPDUHMA=0 or 1. For eyes with any microaneurysms, recode from OPDUHMA.] (OPDUMA)
TOTAL%
0) No294192.8
1) Yes2287.2
Missing6980 
TOTAL3169100.0
286) Retinal blot hemorrhages, worse eye [This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the worse eye. This variable is computed as present (1=YES) Question: from OPDUHMA variable code=3 and absent (0=NO) from OPDUHMA variable code=0 or 1. For eyes with any retinal blot hemorrhages, recode from OPDUHMA.] (OPDUHEM)
TOTAL%
0) No300296.3
1) Yes1143.7
Missing7033 
TOTAL3116100.0
287) Retinal hard exudate, worse eye [This variable provides information on the presence or absence of hard exudate in the worse eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema. Can combine code 0=No and 1=Questionable for absent.] (OPDUHE)
TOTAL%
0) No315996.9
1) Questionable240.7
2) Yes772.4
Missing6889 
TOTAL3260100.0
288) Retinal soft exudate, worse eye [This variable provides information on the presence or absence of soft exudate in the worse eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction a result of retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDUSE)
TOTAL%
0) No315696.8
1) Questionable381.2
2) Yes662.0
Missing6889 
TOTAL3260100.0
289) IRMA, worse eye [This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the worse eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA greater than or equal to 8 have more severe disease than eyes with standard less than 8A. Can combine code 0=None and 1=Questionable for IRMA absent and codes 2 and 3 for IRMA present. (OPDUIRMA)
TOTAL%
0) None314997.0
1) Questionable451.4
2) Less than 8A401.2
3) Greater than or equal to 8A110.3
Missing6904 
TOTAL3245100.0
290) Retinal venous beading, worse eye [This variable provides information on the presence or absence of retinal venous beading from the worse eye. Venous beading is a manifestation of severe retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDUVB)
TOTAL%
0) No327099.8
1) Questionable30.1
2) Yes20.1
Missing6874 
TOTAL3275100.0
291) Retinal new vessels on disc, worse eye [This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the worse eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard greater than or equal to10A have more new vessels than eyes with standard less than 10A. When combined with other manifestations of proliferative retinopathy is equivalent to OPDURL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent; codes 2= less than 10A with 3=greater than or equal to10A for present.] (OPDUNVO)
TOTAL%
0) None328599.7
1) Questionable60.2
2) Less than 10A40.1
Missing6854 
TOTAL3295100.0
292) Retinal new vessels elsewhere, worse eye [This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the worse eye. Retinal new vessel elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease. When combined with other manifestations of proliferative retinopathy is equivalent to OPDURL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent and code 2= less than 1/2 DISC AREA with 3=greater than or equal to1/2 DISC AREA for present.] (OPDUNVE)
TOTAL%
0) None325299.4
1) Questionable130.4
2) Less than 1/2 disc area50.2
Missing6879 
TOTAL3270100.0
293) Retinal fibrous proliferation, worse eye [This variable provides information on the presence or absence of retinal fibrous proliferation in the worse eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease. FPD= Fibrous proliferation within the optic disc area; FPE = Fibrous proliferation elsewhere outside the optic disc margin. When combined with other manifestations of proliferative retinopathy is equivalent to OPDURL4=4. Can combine code 0=None and 1=Questionable for absent; 2=FPD ONLY, 3=FPE ONLY, and 4=FPD + FPE for any present.] (OPDURFP)
TOTAL%
0) None325499.4
1) Questionable90.3
2) FPD only40.1
3) FPE only60.2
4) FPD + FPE20.1
Missing6874 
TOTAL3275100.0
294) Pre-ret./vitreous hemorrhage, worse eye [This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the worse eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease. When combined with other manifestations of proliferative retinopathy is equivalent to OPDURL4=4. Can combine 0=None and 1=Questionable for absent and 2= less than 1 Disc Area and 3=greater than or equal to 1 Disc Area for present.] (OPDUPHVH)
TOTAL%
0) None327199.9
1) Questionable20.1
2) Less than 1 disc area10.0
Missing6875 
TOTAL3274100.0
295) Macular edema, worse eye [This variable provides information on the presence or absence of macular edema by clinical significance from the worse eye. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula. English Instructions: Increased permeability of retinal capillaries and MAS may result in accumulation of extracellular fluid and thickening of normally compact retinal tissue called Macular Edema. In some cases, the macular edema becomes clinically significant. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=No and 1=Questionable for absent; and 2=Yes, but not CSME and 3=Yes, CSME for any macular edema present; exclude 7 from analysis.] (OPDUME)
TOTAL%
0) No318798.1
1) Questionable170.5
2) Yes, but not CSME160.5
3) Yes CSME230.7
7) Other70.2
Missing6899 
TOTAL3250100.0
296) Macular edema in center, worse eye [This variable provides information on the presence or absence of macular edema in the center from the worse eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=None and 1=Questionable for absent; 2=Present and CSME and 3=CSME with cysts for any present central involvement; exclude 7 from analysis. Can combine with visual acuity data in corresponding eye.] (OPDUMEC)
TOTAL%
0) None321398.9
1) Questionable120.4
2) Present and CSME180.6
3) CSME with cysts10.0
7) Other60.2
Missing6899 
TOTAL3250100.0
297) Panretetinal photocoagulation scar, worse eye [This variable provides information on the presence or absence of panretinal photocoagulation scars in the worse eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels. English Instructions: In the absence of retinopathy, is usually combined with other signs of proliferative retinopathy which may or may not be present (refer to OPDURET). Can combine 0=None and 1=Questionable/Incomplete for absent; and codes 2, 3, and 4 as present.] (OPDUPPS)
TOTAL%
0) None327499.5
1) Questionable/incomplete10.0
3) Scatter only140.4
4) Scatter + local20.1
Missing6858 
TOTAL3291100.0
298) Focal photocoagulation scars for macular edema, worse eye. [This variable provides information on the presence or absence of focal laser photocoagulation from the worse eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together. Can combine codes 0=None and 1=Questionable for absent and codes 2-4 (MA RX only, Grid Only, and MA RX + GridRx) for present.] (OPDUFOC)
TOTAL%
0) None326299.2
1) Questionable50.2
2) MA RX only180.5
3) Grid only10.0
4) MA RX & Grid RX20.1
Missing6861 
TOTAL3288100.0
299) Age related macular degeneration (ARM), three severity levels, worse eye. [This variable provides information on the three-level severity classification of age-related macular degeneration (ARM) from the worse eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy. For ANY ARM, can combine codes 1=Early ARM and 2=Late ARM.] (OPDUARM)
TOTAL%
0) No ARM294392.2
1) Early ARM2206.9
2) Late ARM280.9
Missing6958 
TOTAL3191100.0
300) Retinal and pigmentary abnormality, worse eye. [This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the worse eye.] (OPDUPIGA)
TOTAL%
0) No302994.8
1) Yes1655.2
Missing6955 
TOTAL3194100.0
301) Late age related macular degeneration (ARM), worse eye. [This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the worse eye. Late ARM is defined by the presence of signs of exudative ARM and/or geographic atrophy.] (OPDULARM)
TOTAL%
0) No319699.1
1) Yes280.9
Missing6925 
TOTAL3224100.0
302) Geographic atrophy, worse eye. [This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, worse eye.] (OPDUGA)
TOTAL%
0) No319699.6
1) Yes130.4
Missing6940 
TOTAL3209100.0
303) Exudative age related macular degeneration (ARM), worse eye. [This variable provides information on the presence or absence of exudative ARM from the worse eye. English Instructions: Exudative ARM is also called neovascular ARM. Sometimes geographic atrophy is present.] (OPDUEXU)
TOTAL%
0) No320699.5
1) Yes150.5
Missing6928 
TOTAL3221100.0
304) Hard distinct drusen, worse eye. [This variable provides information on the presence or absence of hard distinct drusen, from the worse eye. Currently considered not to be a sign of ARM by itself.] (OPDUHD)
TOTAL%
0) No99831.0
1) Yes221869.0
Missing6933 
TOTAL3216100.0
305) Drusen greater than or equal to 125 microns, worse eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the worse eye. Large drusen are considered a sign of early ARM.] (OPDUD125)
TOTAL%
0) No288290.1
1) Yes3159.9
Missing6952 
TOTAL3197100.0
306) Drusen greater than or equal to 500 microns, worse eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the worse eye. English Instructions: Large drusen covering more area indicates more involvement in the macula area.] (OPDUD500)
TOTAL%
0) No307196.1
1) Yes1243.9
Missing6954 
TOTAL3195100.0
307) Any soft drusen, worse eye. [This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the worse eye.] (OPDUASD)
TOTAL%
0) No260281.3
1) Yes59818.7
Missing6949 
TOTAL3200100.0
308) Soft distinct drusen, worse eye. [This variable provides information on the presence or absence of soft distinct drusen, from the worse eye. English Instructions: Soft distinct drusen is a less severe type of drusen than soft indistinct drusen.] (OPDUSDD)
TOTAL%
0) No266683.3
1) Yes53316.7
Missing6950 
TOTAL3199100.0
309) Soft indistinct drusen, worse eye. [This variable provides information on the presence or absence of soft indistinct drusen from the worse eye. English Instructions: Soft indistinct drusen is a more severe type of drusen than soft distinct drusen.] (OPDUSID)
TOTAL%
0) No297493.2
1) Yes2176.8
Missing6958 
TOTAL3191100.0
310) Increased retinal pigment, worse eye. [This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the worse eye.] (OPDUIRP)
TOTAL%
0) No303294.9
1) Yes1625.1
Missing6955 
TOTAL3194100.0
311) Retinal pigment epithelium depigmentation, worse eye. [This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the worse eye.] (OPDURPE)
TOTAL%
0) No308596.7
1) Yes1043.3
Missing6960 
TOTAL3189100.0
312) Any geographic atrophy, worse eye. [This variable provides information on the presence or absence of any geographic atrophy from the worse eye. English Instructions: This variable differs from the pure geographic atrophy variable, OPDUGA, because exudative ARM may be present concurrently in which case OPDUGA may result from exudative ARM and/or its treatment.] (OPDUAGA)
TOTAL%
0) No320699.4
1) Yes180.6
Missing6925 
TOTAL3224100.0
313) RPE/sensory ret. detachment, worse eye. [This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/ Sensory Retinal detachment, a sign of exudative ARM, from the worse eye.] (OPDUPED)
TOTAL%
0) No320899.7
1) Yes100.3
Missing6931 
TOTAL3218100.0
314) Subretinal new vessels, worse eye. [This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the worse eye.] (OPDUSNV)
TOTAL%
0) No3219100.0
Missing6930 
TOTAL3219100.0
315) Subretinal hemorrhage, worse eye. [This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the worse eye.] (OPDUSUBH)
TOTAL%
0) No321299.8
1) Yes80.2
Missing6929 
TOTAL3220100.0
316) Subretinal fibrous scar, worse eye. [This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the worse eye.] (OPDUSFS)
TOTAL%
0) No321199.7
1) Yes90.3
Missing6929 
TOTAL3220100.0
317) Treatment for ARM, worse eye. [This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the worse eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.] (OPDUARMX)
TOTAL%
0) No321799.9
1) Yes30.1
Missing6929 
TOTAL3220100.0
318) Retinal artery occlusion, worse eye. [This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting in infarction of the retina, from the worse eye. English Instructions: Can combine codes 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center, to define present.] (OPDUBCO)
TOTAL%
0) No329399.9
1) Questionable10.0
2) Yes10.0
Missing6854 
TOTAL3295100.0
319) Retinal branch vein occlusion, worse eye. [This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the worse eye. Can combine with retinal central vein occlusion (OPDUCVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUBVO)
TOTAL%
0) No325799.0
1) Questionable150.5
2) Yes170.5
Missing6860 
TOTAL3289100.0
320) Retinal central vein occlusion, worse eye. [This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the worse eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDURET). English Instructions: Can combine with retinal branch vein occlusion (OPDUBVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUCVO)
TOTAL%
0) No328599.8
1) Questionable30.1
2) Yes40.1
3) Yes, in center10.0
Missing6856 
TOTAL3293100.0
321) Retinal AV nicking, worse eye. [This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the worse eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDUAVN)
TOTAL%
0) No230070.0
1) Questionable62118.9
2) Yes36511.1
Missing6863 
TOTAL3286100.0
322) Focal arteriolar narrowing, worse eye. [This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the worse eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDUFAN)
TOTAL%
0) No310094.7
1) Questionable1494.6
2) Yes240.7
Missing6876 
TOTAL3273100.0
323) Hollenhorst plaque, worse eye. [This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel. Can combine 0=No and 1=Questionable to define absent.] (OPDUHOLL)
TOTAL%
0) No326599.3
1) Questionable120.4
2) Yes110.3
Missing6861 
TOTAL3288100.0
324) Peripapillay atrophy, worse eye. [This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the worse eye. Can combine 0=No and 1=Questionable to define absent.] (OPDUPPA)
TOTAL%
0) No258178.2
1) Questionable1404.2
2) Yes58017.6
Missing6848 
TOTAL3301100.0
325) Asteroid Hyalosis, worse eye. [This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the worse eye. English Instructions: Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUASHY)
TOTAL%
0) No326598.8
1) Questionable50.2
2) Yes331.0
3) Yes, in center20.1
Missing6844 
TOTAL3305100.0
326) Chorioretinal abnormality, worse eye. [This variable provides information on the presence or absence of any chorioretinal abnormality from the worse eye. English Instructions: Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUCHRA)
TOTAL%
0) No325699.3
1) Questionable20.1
2) Yes220.7
Missing6869 
TOTAL3280100.0
327) Macular hole, worse eye. [This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the worse eye. Can combine 0=No and 1=Questionable to define absent. Can analyze with visual acuity data.] (OPDUMACH)
TOTAL%
0) No322899.4
1) Questionable140.4
2) Yes60.2
Missing6901 
TOTAL3248100.0
328) Choroidal nevus, worse eye. [This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the worse eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUCHN)
TOTAL%
0) No308894.1
1) Questionable712.2
2) Yes1213.7
3) Yes, in center10.0
Missing6868 
TOTAL3281100.0
329) Any other treatment, worse eye. [This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the worse eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUOTRX)
TOTAL%
0) No328899.9
2) Yes40.1
Missing6857 
TOTAL3292100.0
330) Histoplasmosis syndrome, worse eye. [This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the worse eye. English Instructions: Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUPOHS)
TOTAL%
0) No328799.8
1) Questionable20.1
2) Yes30.1
3) Yes, in center20.1
Missing6855 
TOTAL3294100.0
331) Retinal detachment, worse eye. [This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the worse eye. English Instructions: Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDURDET)
TOTAL%
0) No328099.8
1) Questionable10.0
2) Yes50.2
Missing6863 
TOTAL3286100.0
332) SW, cellophane changes. worse eye. [This variable provides information on the presence or absence of epiretinal membrane (cellophane changes), from the worse eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction. Can combine with epiretinal membrane (traction changes) variable (OPDUSWRT). Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDUSWR)
TOTAL%
0) No260880.2
1) Questionable832.6
2) Yes53016.3
3) Yes, in center311.0
Missing6897 
TOTAL3252100.0
333) SW, traction changes, worse eye. [This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the worse eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane. Can combine with epiretinal membrane cellophane changes, variable OPDUSWR. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present] (OPDUSWRT)
TOTAL%
0) No313196.3
1) Questionable230.7
2) Yes792.4
3) Yes, in center190.6
Missing6897 
TOTAL3252100.0
334) Other ocular conditions, worse eye. [This variable provides information of other ocular conditions not graded elsewhere, from the worse eye.] (OPDUOTHC)
TOTAL%
0) No297790.6
1) Questionable371.1
2) Yes2728.3
Missing6863 
TOTAL3286100.0
335) Retinopathy level, right eye. [Calculated levels of retinopathy severity, right eye. English Instructions: Calculated severity levels are described in more detail in the NHANES Grading Protocol, Retinopathy section. HE=HARD EXUDATES; SE=SOFT EXUDATE; IRMA=INTRARETINAL MICROVASCULAR ABNORMALITIES; VL=VENOUS LOOPS; MAS=MICROANEURYSMS; HEM=HEMORRHAGES; NPR=NON-PROLIFERATIVE RETINOPATHY; RET=RETINOPATHY; PRP LASER=PANRETINAL PHOTOCOAGULATION SCARS PRESENT; PR=PROLIFERATIVE RETINOPATHY; HRC=HIGH RISK CHARACTERISTICS AS DEFINED IN THE EARLY TREATMENT DIABETIC RETINOPATHY STUDY; AND VH=VITREOUS HEMORRHAGE Note: Retinopathy is graded masked to diabetes status and retinopathy may be found in persons with and without diabetes (even though value labels may indicate otherwise). Level 12 is indicated when specific non-diabetic disease, e.g. retinal vein occlusion, is present. To examine retinopathy in persons with diabetes use the diabetes definition found in the NHANES Grading Protocol; to examine in non-diabetic persons exclude all persons with diabetes.] (OPDDRET)
TOTAL%
10) No retinopathy273786.5
12) Non-diabetic retinal disease specific retinopathy431.4
13) Questionable retinopathy1103.5
14) HE, SE, IRMA, VL but no MAS140.4
15) HEM only, no MAS451.4
20) MAS only1053.3
31) Early NPR611.9
41) Moderate NPR300.9
51) Severe NPR60.2
60) Fibrous prolif. only40.1
61) No retinopathy but PRP laser20.1
63) Early NPR + PRP laser50.2
65) PR less than HRC20.1
70) PR greater than or equal to HRC10.0
Missing6984 
TOTAL3165100.0
336) Four levels retinopathy severity, right eye. [This variable provides information on four levels of retinopathy severity, from the right eye. Four levels of retinopathy severity are calculated from variable OPDDRET: 1=LEVELS 10-13; 2=LEVELS 14-31; 3=LEVELS 41-51; 4=LEVELS 60-80 This variable is often used in examining associations with retinopathy severity. To collapse further 1=No Retinopathy ; 2-4=Retinopathy; For a No Proliferative Retinopathy vs. Proliferative analysis, combine 1-3 as Non-Proliferative.] (OPDDRL4)
TOTAL%
1) No retinopathy289091.3
2) Mild NPR2257.1
3) Moderate/severe NPR361.1
4) PR (Proliferative)140.4
Missing6984 
TOTAL3165100.0
337) Any retinopathy, right eye. [This field is coded for the presence or absence of any retinopathy from the right eye. This variable is computed from the OPDDRET variable as follows: 0(No)=LEVELS less than 14; 1(Yes)=LEVELS greater than or equal to14] (OPDDARMA)
TOTAL%
0) No289091.3
1) Yes2758.7
Missing6984 
TOTAL3165100.0
338) MAS, HEM, right eye. [This summary variable provides information on describing microaneurysms (MAS) only, blot hemorrhages (HEM) only, or both using two severity levels using the ETDRS standard 2A, right eye. English Instructions: Value 5 is more severe than value 4. For MAS only, see variable OPDDMA. For HEM only, see variable OPDDHEM. Combined MAS and/or HEM would include values 2 to 5 as present and values 0 & 1 as none.] (OPDDHMA)
TOTAL%
0) None278987.8
1) Questionable973.1
2) MAS only1284.0
3) HEM only601.9
4) HEM+MAS less than 2A953.0
5) HEM+MAS greater than or equal to 2A60.2
Missing6974 
TOTAL3175100.0
339) Retinal microaneurysms, right eye. [This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, right eye. This variable is calculated as being present (1=YES) if variable OPDDHMA=2 and absent (0=NO) if OPDDHMA=0 or 1. For eyes with any microaneurysms, recode from OPDDHMA.] (OPDDMA)
TOTAL%
0) No288695.8
1) Yes1284.2
Missing7135 
TOTAL3014100.0
340) Retinal blot hemorrhages, right eye. [This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the right eye. English Instructions: This variable is computed as present (1=YES) from OPDDHMA variable code=3 and absent (0=NO) from OPDDHMA variable code=0 or 1. For eyes with any retinal blot hemorrhages, recode from OPDDHMA.] (OPDDHEM)
TOTAL%
0) No288698.0
1) Yes602.0
Missing7203 
TOTAL2946100.0
341) Retinal hard exudate, right eye. [This variable provides information on the presence or absence of hard exudate in the right eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema. Can combine code 0=No and 1=Questionable for absent.] (OPDDHE)
TOTAL%
0) No312998.1
1) Questionable140.4
2) Yes471.5
Missing6959 
TOTAL3190100.0
342) Retinal soft exudate, right eye. [This variable provides information on the presence or absence of soft exudate in the right eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction, a result of retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDDSE)
TOTAL%
0) 311497.7
1) 300.9
2) 431.3
Missing6962 
TOTAL3187100.0
343) Intraretinal Microvascular Abnormalities (IRMA). [This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the right eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA greater than or equal to 8A have more severe disease than eyes with standard less than 8A. English Instructions: Can combine code 0=None and 1=Questionable for IRMA absent and codes 2 & 3 for IRMA present.] (OPDDIRMA)
TOTAL%
0) None310198.0
1) Questionable341.1
2) Less than 8A240.8
3) Greater than or equal to 8A60.2
Missing6984 
TOTAL3165100.0
344) Retinal venous beading, right eye. [This variable provides information on the presence or absence of retinal venous beading from the right eye. Venous beading is a manifestation of severe retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDDVB)
TOTAL%
0) No321099.9
1) Questionable20.1
Missing6937 
TOTAL3212100.0
345) Retinal new vessels on disc, right eye. [This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the right eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard greater than or equal to10A have more severe vessels than eyes with standard less than 10A. When combined with other manifestations of proliferative retinopathy is equivalent to OPDDRL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent; codes 2= less than 10A with 3=greater than or equal to10A for present.] (OPDDNVO)
TOTAL%
0) None322799.8
1) Questionable30.1
2) Less than 10A20.1
Missing6917 
TOTAL3232100.0
346) Retinal new vessels elsewhere, right eye. [This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the right eye. Retinal new vessels elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease. When combined with other manifestations of proliferative retinopathy is equivalent to OPDDRL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent and code 2= less than 1/2 DISC AREA with 3=greater than or equal to1/2 DISC AREA for present.] (OPDDNVE)
TOTAL%
0) None319199.7
1) Questionable70.2
2) Less than 1/2 disc area10.0
Missing6950 
TOTAL3199100.0
347) Retinal fibrous proliferation, right eye. [This variable provides information on the presence or absence of retinal fibrous proliferation in the right eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease. FPD= Fibrous proliferation within the optic disc area; FPE = Fibrous proliferation elsewhere outside the optic disc margin. When combined with other manifestations of proliferative retinopathy is equivalent to OPDDRL4=4. Can combine code 0=None and 1=Questionable for absent; 2=FPD ONLY, 3=FPE ONLY, and 4=FPD + FPE for any present.] (OPDDRFP)
TOTAL%
0) None319899.7
1) Questionable50.2
2) FPD only40.1
3) FPE only10.0
4) FPD + FPE10.0
Missing6940 
TOTAL3209100.0
348) Pre-retinal/vitreous hemorrhage, right eye. [This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the right eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease. When combined with other manifestations of proliferative retinopathy is equivalent to OPDDRL4=4. Can combine 0=None and 1=Questionable for absent and 2= less than 1 Disc Area and 3=greater than or equal to 1 Disc Area for present.] (OPDDPHVH)
TOTAL%
0) None320999.9
1) Questionable10.0
2) Less than 1 disc area10.0
Missing6938 
TOTAL3211100.0
349) Macular edema, right eye. [This variable provides information on the presence or absence of macular edema by clinical significance from the right eye. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula. English Instructions: Increased permeability of retinal capillaries and MAS may result in accumulation of extracellular fluid and thickening of normally compact retinal tissue called Macular Edema. In some cases, the macular edema becomes clinically significant. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=No and 1=Questionable for absent; and 2=Yes, but not CSME and 3=Yes, CSME for any macular edema present; exclude seven from analysis.] (OPDDME)
TOTAL%
0) No312398.8
1) Questionable90.3
2) Yes, but not CSME150.5
3) Yes, CSME120.4
7) Other30.1
Missing6987 
TOTAL3162100.0
350) Macular edema in center, right eye. [This variable provides information on the presence or absence of macular edema in the center from the right eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=None and 1=Questionable for absent; 2=Present and CSME and 3=CSME with cysts for any present central involvement; exclude 7 from analysis. Can combine with visual acuity data in corresponding eye.] (OPDDMEC)
TOTAL%
0) None314699.5
1) Questionable30.1
2) Present and CSME90.3
3) CSME with cysts10.0
7) Other30.1
Missing6987 
TOTAL3162100.0
351) Panretinal photocoagulation scar, right eye. [This variable provides information on the presence or absence of panretinal photocoagulation scars in the right eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels. In the absence of retinopathy, is usually combined with other signs of proliferative retinopathy which may or may not be present (refer to OPDURET). Can combine 0=None and 1=Questionable/Incomplete for absent; and codes 2, 3, and 4 as present.] (OPDDPPS)
TOTAL%
0) None321499.6
1) Questionable/incomplete20.1
3) Scatter only100.3
4) Scatter + local10.0
Missing6922 
TOTAL3227100.0
352) Focal photocoagulation scars for ME, right eye. [This variable provides information on the presence or absence of focal laser photocoagulation from the right eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together. English Instructions: Can combine codes 0=None and 1=Questionable for absent and codes 2-4 (MA RX only, Grid Only, and MA RX + Grid Rx) for present.] (OPDDFOC)
TOTAL%
0) None319999.4
1) Questionable20.1
2) MA RX only170.5
4) MA RX and Grid RX10.0
Missing6930 
TOTAL3219100.0
353) ARM, three severity levels, right eye. [This variable provides information on the three-level severity classification of age-related macular degeneration (ARM) from the right eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy. Can combine codes 1=Early ARM and 2=Late ARM.] (OPDDARM)
TOTAL%
0) No ARM288194.0
1) Early ARM1655.4
2) Late ARM200.7
Missing7083 
TOTAL3066100.0
354) Retinal and pigmentary abnormality, right eye. [This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the right eye.] (OPDDPIGA)
TOTAL%
0) No295196.2
1) Yes1173.8
Missing7081 
TOTAL3068100.0
355) Late ARM, right eye. [This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the right eye. English Instructions: Late ARM is defined by the presence of signs of exudative ARM and/or geographic atrophy.] (OPDDLARM)
TOTAL%
0) No309799.4
1) Yes200.6
Missing7032 
TOTAL3117100.0
356) Geographic atrophy, right eye. [This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, right eye.] (OPDDGA)
TOTAL%
0) No309799.6
1) Yes110.4
Missing7041 
TOTAL3108100.0
357) Exudative ARM, right eye. [This variable provides information on the presence or absence of exudative ARM from the right eye. Exudative ARM is also called neovascular ARM. Sometimes geographic atrophy is present.] (OPDDEXU)
TOTAL%
0) No310699.7
1) Yes90.3
Missing7034 
TOTAL3115100.0
358) Excluded for ARM, right eye. [Was the right eye excluded for ARM? ARM may not be ascertained for many reasons, refer to OPDDREA for the reason for ARM exclusion.] (OPDDAREX)
TOTAL%
0) No312398.1
1) Yes621.9
Missing6964 
TOTAL3185100.0
359) Reason for ARM exclusion, right eye. [If a condition exists in the macula which confounds the grader from evaluating Age Related Macular Degeneration (ARM) lesions from similar changes in the retina due to another process the eye is excluded (cannot grade) from evaluation of all ARM lesions from the right eye. This variable lists reasons such as trauma, laser treatment, retinal vessel occlusion, retinal dystrophy, myopic degeneration, presumed ocular histoplasmosis or chorioretinal taxoplasmosis scar, nonspecific inflammatory retinal lesion, retinopathy of prematurity (ROP), non ARM retinal pigment epithelial abnormality, non ARM detachment, unknown, other, and/or a retinal coloboma or staphyloma.] (OPDDREA)
TOTAL%
0) None320198.1
1) Trauma10.0
2) Laser RX210.6
3) Vessel occlusion10.0
4) Macular dystrophy40.1
6) Histoplasmosis/toxoplasmosis60.2
7) Inflammatory lesion20.1
10) Non-ARM RPE abnormality130.4
11) Non-ARM detachment10.0
12) Unknown etiology60.2
15) Other70.2
Missing6886 
TOTAL3263100.0
360) Hard distinct drusen, right eye. [This variable provides information on the presence or absence of hard distinct drusen, from the right eye. Currently considered not to be a sign of ARM by itself.] (OPDDHD)
TOTAL%
0) No133843.3
1) Yes175356.7
Missing7058 
TOTAL3091100.0
361) Drusen greater than than or equal to 125 microns, right eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the right eye. English Instructions: Large drusen are considered a sign of early ARM.] (OPDDD125)
TOTAL%
0) No287093.2
1) Yes2086.8
Missing7071 
TOTAL3078100.0
362) Drusen greater than or equal to 500 microns, right eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the right eye. Large drusen covering more area indicates more involvement in the macula area.] (OPDDD500)
TOTAL%
0) No298096.9
1) Yes953.1
Missing7074 
TOTAL3075100.0
363) Any soft drusen, right eye. [This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the right eye.] (OPDDASD)
TOTAL%
0) No265886.2
1) Yes42413.8
Missing7067 
TOTAL3082100.0
364) Soft distinct drusen, right eye. [This variable provides information on the presence or absence of soft distinct drusen, from the right eye. Soft distinct drusen is a less severe type of drusen than soft indistinct drusen.] (OPDDSDD)
TOTAL%
0) No271788.2
1) Yes36411.8
Missing7068 
TOTAL3081100.0
365) Soft indistinct drusen, right eye. [This variable provides information on the presence or absence of soft indistinct drusen from the right eye. Soft indistinct drusen is a more severe type of drusen than soft distinct drusen.] (OPDDSID)
TOTAL%
0) No291995.2
1) Yes1474.8
Missing7083 
TOTAL3066100.0
366) Increased retinal pigment, right eye. [This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the right eye.] (OPDDIRP)
TOTAL%
0) No295496.3
1) Yes1143.7
Missing7081 
TOTAL3068100.0
367) RPE depigmentation, right eye. [This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the right eye.] (OPDDRPE)
TOTAL%
0) No299497.7
1) Yes692.3
Missing7086 
TOTAL3063100.0
368) Any geographic atrophy, right eye. [This variable provides information on the presence or absence of any geographic atrophy from the right eye. This variable differs from the pure geographic atrophy variable, OPDDGA, because exudative ARM may be present concurrently in which case OPDDGA may result from exudative ARM and/or its treatment.] (OPDDAGA)
TOTAL%
0) No310499.6
1) Yes130.4
Missing7032 
TOTAL3117100.0
369) RPE/sensory retinal detachment, right eye. [This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/Sensory Retinal detachment, a sign of exudative ARM, from the right eye.] (OPDDPED)
TOTAL%
0) No310999.9
1) Yes30.1
Missing7037 
TOTAL3112100.0
370) Subretinal new vessels, right eye. [This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the right eye.] (OPDDSNV)
TOTAL%
0) No3113100.0
Missing7036 
TOTAL3113100.0
371) Subretinal hemorrhage, right eye. [This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the right eye.] (OPDDSUBH)
TOTAL%
0) No311199.9
1) Yes40.1
Missing7034 
TOTAL3115100.0
372) Subretinal fibrous scar, right eye. [This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the right eye.] (OPDDSFS)
TOTAL%
0) No310999.8
1) Yes50.2
Missing7035 
TOTAL3114100.0
373) Treatment for ARM, right eye. [This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the right eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.] (OPDDARMX)
TOTAL%
0) No3113100.0
1) Yes10.0
Missing7035 
TOTAL3114100.0
374) Retinal artery occlusion, right eye. [This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting infarction of the retina, from the right eye. Can combine codes 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center, to define present.] (OPDDBCO)
TOTAL%
0) No324099.9
1) Questionable10.0
2) Yes10.0
Missing6907 
TOTAL3242100.0
375) Retinal branch vein occlusion, right eye. [This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the right eye. Can combine with retinal central vein occlusion (OPDDCVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDBVO)
TOTAL%
0) No321199.4
1) Questionable120.4
2) Yes90.3
Missing6917 
TOTAL3232100.0
376) Retinal central vein occlusion, right eye. [This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the right eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDDRET). Can combine with retinal branch vein occlusion (OPDDBVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDCVO)
TOTAL%
0) No323699.9
1) Questionable20.1
2) Yes10.0
Missing6910 
TOTAL3239100.0
377) Retinal AV nicking, right eye. [This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the right eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDDAVN)
TOTAL%
0) No259780.6
1) Questionable41212.8
2) Yes2136.6
Missing6927 
TOTAL3222100.0
378) Focal arteriolar narrowing, right eye. [This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the right eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDDFAN)
TOTAL%
0) No309496.7
1) Questionable892.8
2) Yes180.6
Missing6948 
TOTAL3201100.0
379) Hollenhorst plaque, right eye. [This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel. Can combine 0=No and 1=Questionable to define absent.] (OPDDHOLL)
TOTAL%
0) No321399.6
1) Questionable60.2
2) Yes80.2
Missing6922 
TOTAL3227100.0
380) Peripapillary atrophy, right eye. [This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the right eye. Can combine 0=No and 1=Questionable to define absent.] (OPDDPPA)
TOTAL%
0) No271783.8
1) Questionable1013.1
2) Yes42613.1
Missing6905 
TOTAL3244100.0
381) Asteroid Hyalosis, right eye. [This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the right eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDASHY)
TOTAL%
0) No322999.2
1) Questionable40.1
2) Yes210.6
3) Yes, in center20.1
Missing6893 
TOTAL3256100.0
382) Chorioretinal abnormality, right eye. [This variable provides information on the presence or absence of any chorioretinal abnormality from the right eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDCHRA)
TOTAL%
0) No321099.5
2) Yes150.5
Missing6924 
TOTAL3225100.0
383) Macular hole, right eye. [This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the right eye. Can combine 0=No and 1=Questionable to define absent. Can analyze with visual acuity data.] (OPDDMACH)
TOTAL%
0) No314799.6
1) Questionable80.3
2) Yes40.1
Missing6990 
TOTAL3159100.0
384) Choroidal nevus, right eye. [This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the right eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDCHN)
TOTAL%
0) No311796.8
1) Questionable391.2
2) Yes642.0
3) Yes, in center10.0
Missing6928 
TOTAL3221100.0
385) Any other treatment, right eye. [This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the right eye. Can combine 0=No and 1=Questionable to define absent; ; 2=Yes and 3=Yes, in center to define present.] (OPDDOTRX)
TOTAL%
0) No323499.9
2) Yes20.1
Missing6913 
TOTAL3236100.0
386) Histoplasmosis syndrome, right eye. [This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the right eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDPOHS)
TOTAL%
0) No323599.8
1) Questionable10.0
2) Yes20.1
3) Yes, in center20.1
Missing6909 
TOTAL3240100.0
387) Retinal detachment, right eye. [This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the right eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDRDET)
TOTAL%
0) No322899.9
2) Yes20.1
Missing6919 
TOTAL3230100.0
388) SW, cellophane chnages, right eye. [This variable provides information on the presence or absence of epiretinal membrane (cellophane changes), from the right eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction. Can combine with epiretinal membrane (traction changes) variable (OPDDSWRT). Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDDSWR)
TOTAL%
0) No273886.4
1) Questionable581.8
2) Yes35311.1
3) Yes, in center190.6
Missing6981 
TOTAL3168100.0
389) SW, traction changes, right eye. [This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the right eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane. Can combine with epiretinal membrane cellophane changes, variable OPDDSWR. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present] (OPDDSWRT)
TOTAL%
0) No309898.0
1) Questionable150.5
2) Yes391.2
3) Yes, in center90.3
Missing6988 
TOTAL3161100.0
390) Other ocular conditions, right eye. [This variable provides information of other ocular conditions not graded elsewhere, from the right eye.] (OPDDOTHC)
TOTAL%
0) No304194.1
1) Questionable190.6
2) Yes1715.3
Missing6918 
TOTAL3231100.0
391) Vertical cup disc ration, right eye. [This variable provides the vertical cup to disc ratio, in microns, from the right eye. The vertical cup to disc ratio is from 0 to 1.0.] (OPDDVCDR)
NMeanStd.Deviation
TOTAL3200.4130
392) Are field one and field two present, left eye. [Are field one and field two present, left eye? Completeness of the photo. If field 1 or field 2 are missing, the photos will be incomplete.] (OPXSCOMP)
TOTAL%
0) No photos421.3
1) Incomplete1083.2
2) Complete317495.5
Missing6825 
TOTAL3324100.0
393) Field one present, left eye. [Is field 1 present in the photos of the left eye? If present, there is a gradability value, OPXSGRBL.] (OPXSF1)
TOTAL%
0) Absent1193.6
2) Present320596.4
Missing6825 
TOTAL3324100.0
394) Field one focus, left eye. [Was the optic nerve in focus from the left eye?] (OPXSF1FO)
TOTAL%
0) Good/fair275385.9
1) Borderline33610.5
2) Poor1163.6
Missing6944 
TOTAL3205100.0
395) Field two present, left eye. [Was field 2 present in the photos of the left eye? If absent, ARM and ME may not be measurable in this eye. If present, there is a gradability value, OPXSGRBL.] (OPXSF2)
TOTAL%
0) Absent631.9
2) Present326198.1
Missing6825 
TOTAL3324100.0
396) Field two focus, left eye. [Field 2 Focus, Left eye English Instructions: Was the Macula Image in Focus from the left eye?] (OPXSF2FO)
TOTAL%
0) Good/fair270382.9
1) Borderline40312.4
2) Poor1554.8
Missing6888 
TOTAL3261100.0
397) Gradability of images, left eye. [Gradability of images, left eye. This assumes at least one digital image of the left eye is available. 0=All fields are gradable; 1=Disc is ungradable; 2=Portion of the macula is ungradable; 4= Portion of the disc and macula are ungradable; 5=Disc and macula are ungradable; 6= All available fields are ungradable. Please refer to the NHANES Digital Retinal Image Grading Protocol for more details and definitions.] (OPXSGRBL)
TOTAL%
0) Gradable302592.2
1) Disc ungradable130.4
2) Part macula1404.3
3) Macula ungradable652.0
4) Part disc & macula60.2
5) Disc & macula ungradable130.4
6) Ungradable200.6
Missing6867 
TOTAL3282100.0
398) Pupil size, left eye. (OPXSPMM)
TOTAL%
1) 69721.2
2) 126238.5
3) 89127.1
4) 36111.0
5) 702.1
6) 10.0
Missing6867 
TOTAL3282100.0
399) Photo problems, left eye. [Were there problems with the quality of the images from the left eye?] (OPXSPHPR)
TOTAL%
0) No178053.6
2) Yes150145.2
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
400) Photo problem -- Illumination, left eye. (OPXSPHIL)
TOTAL%
0) No279384.1
2) Yes48814.7
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
401) Photo problem -- Field definition, left eye. (OPXSPHFD)
TOTAL%
0) No318795.9
2) Yes942.8
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
402) Photo problem -- Haze, left eye. (OPXSPHHZ)
TOTAL%
0) No221966.8
2) Yes106232.0
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
403) Photo problem -- Dust/dirt, left eye. (OPXSPHDD)
TOTAL%
0) No295488.9
2) Yes3279.8
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
404) Photo problem -- Lashes, left eye. (OPXSPHLA)
TOTAL%
0) No320296.4
2) Yes792.4
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
405) Photo problem -- Arc, left eye. (OPXSPHAR)
TOTAL%
0) No313494.3
2) Yes1474.4
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
406) Photo problem -- Red channel, left eye. (OPXSPHRC)
TOTAL%
0) No327798.6
2) Yes40.1
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
407) Photo problem -- Other, left eye. (OPXSPHOT)
TOTAL%
0) No251775.7
2) Yes76423.0
9) No photos of eye421.3
Missing6826 
TOTAL3323100.0
408) Retinopathy level, left eye. [Calculated levels of retinopathy severity, left eye. Calculated severity levels are described in more detail in the NHANES Grading Protocol, Retinopathy section. HE=HARD EXUDATES; SE=SOFT EXUDATE; IRMA=INTRARETINAL MICROVASCULAR ABNORMALITIES; VL=VENOUS LOOPS; MAS=MICROANEURYSMS; HEM=HEMORRHAGES; NPR=NON-PROLIFERATIVE RETINOPATHY; RET=RETINOPATHY; PRP LASER=PANRETINAL PHOTOCOAGULATION SCARS PRESENT; PR=PROLIFERATIVE RETINOPATHY; HRC=HIGH RISK CHARACTERISTICS AS DEFINED IN THE EARLY TREATMENT DIABETIC RETINOPATHY STUDY; AND VH=VITREOUS HEMORRHAGE Note: Retinopathy is graded masked to diabetes status and retinopathy may be found in persons with and without diabetes (even though value labels may indicate otherwise). Level 12 is indicated when specific non diabetic disease, e.g. retinal vein occlusion, is present. To examine retinopathy in persons with diabetes use the diabetes definition found in the NHANES Grading Protocol; to examine in non diabetic persons exclude all persons with diabetes.] (OPDSRET)
TOTAL%
10) No retinopathy273987.0
12) Non-diabetic retinal disease specific retinopathy481.5
13) Questionable retinopathy1093.5
14) HE, SE, IRMA, VL but no MAS80.3
15) HEM only, no MAS371.2
20) MAS only993.1
31) Early NPR591.9
41) Moderate NPR301.0
51) Severe NPR40.1
60) Fibrous prolif. only30.1
61) No retinopathy but PRP laser30.1
63) Early NPR + PRP laser40.1
64) Moderate/severe NPR + PRP laser20.1
65) PR less than HRC30.1
Missing7001 
TOTAL3148100.0
409) Four levels retinopathy severity, left eye. [This variable provides information on four levels of retinopathy severity, from the left eye. Four levels of retinopathy severity are computed from variable OPDSRET: 1=LEVELS 10-13; 2=LEVELS 14-31; 3=LEVELS 41-51; 4=LEVELS 60-80 This variable is often used in examining associations with retinopathy severity. To collapse further 1=No Retinopathy; 2-4=Retinopathy; For a No Proliferative Retinopathy vs. Proliferative analysis, combine 1-3 as Non-Proliferative.] (OPDSRL4)
TOTAL%
1) No retinopathy289692.0
2) Mild NPR2036.4
3) Moderate/severe NPR341.1
4) PR (Proliferative)150.5
Missing7001 
TOTAL3148100.0
410) Any retinopathy, left eye. [This field is coded for the presence or absence of any retinopathy from the left eye. This variable is computed from the OPDSRET variable as follows: 0(No)=LEVELS less than 14; 1(Yes)=LEVELSgreater than or equal to14] (OPDSARMA)
TOTAL%
0) No289692.0
1) Yes2528.0
Missing7001 
TOTAL3148100.0
411) MAS, HEM, left eye. [This summary variable provides information on describing microaneurysms (MAS) only, blot hemorrhages (HEM) only, or both using two severity levels using the ETDRS standard 2A, left eye. Value 5 is more severe than value 4. For MAS only, see variable OPDSMA. For HEM only, see variable OPDSHEM. Combined MAS and/or HEM would include values 2 to 5 as present and values 0 & 1 as none.] (OPDSHMA)
TOTAL%
0) None277287.8
1) Questionable1103.5
2) MAS only1314.1
3) HEM only551.7
4) HEM+MAS less than 2A882.8
5) HEM+MAS greater than or equal to 2A20.1
Missing6991 
TOTAL3158100.0
412) Retinal microaneurysms, left eye. [This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, left eye. This variable is calculated as being present (1=YES) if variable OPDSHMA=2 and absent (0=NO) if OPDSHMA=0 or 1. For eyes with any microaneurysms, recode from OPDSHMA.] (OPDSMA)
TOTAL%
0) No288295.7
1) Yes1314.3
Missing7136 
TOTAL3013100.0
413) Retinal blot hemorrhages, left eye. [This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the left eye. This variable is computed as present (1=YES) from OPDSHMA variable code=3 and absent (0=NO) from OPDSHMA variable code=0 or 1. For eyes with any retinal blot hemorrhages, recode from OPDSHMA.] (OPDSHEM)
TOTAL%
0) No288298.1
1) Yes551.9
Missing7212 
TOTAL2937100.0
414) Retinal hard exudate, left eye. [This variable provides information on the presence or absence of hard exudate in the left eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema. Can combine code 0=No and 1=Questionable for absent.] (OPDSHE)
TOTAL%
0) No310697.7
1) Questionable150.5
2) Yes581.8
Missing6970 
TOTAL3179100.0
415) Retinal soft exudate, left eye. [This variable provides information on the presence or absence of soft exudate in the left eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction, a result of retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDSSE)
TOTAL%
0) No311498.2
1) Questionable150.5
2) Yes421.3
Missing6978 
TOTAL3171100.0
416) IRMA, left eye. [This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the left eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA greater than or equal to 8A have more severe disease than eyes with standard less than 8A. Can combine code 0=None and 1=Questionable for IRMA absent and codes 2 & 3 for IRMA present.] (OPDSIRMA)
TOTAL%
0) None309598.2
1) Questionable270.9
2) Less than 8A230.7
3) Greater than or equal to 8A70.2
Missing6997 
TOTAL3152100.0
417) Retinal venous beading, left eye. [This variable provides information on the presence or absence of retinal venous beading from the left eye. Venous beading is a manifestation of severe retinal ischemia. Can combine code 0=No and 1=Questionable for absent.] (OPDSVB)
TOTAL%
0) No319899.9
1) Questionable20.1
2) Yes20.1
Missing6947 
TOTAL3202100.0
418) Retinal new vessels on disc, left eye. [This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the left eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard greater than or equal to10A have more severe vessels than eyes with standard less than 10A. When combined with other manifestations of proliferative retinopathy is equivalent to OPDSRL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent; codes 2= less than 10A with 3=greater than or equal to 10A for present.] (OPDSNVO)
TOTAL%
0) None321799.8
1) Questionable40.1
2) Less than 10A30.1
Missing6925 
TOTAL3224100.0
419) Retinal new vessels elsewhere, left eye. [This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the left eye. Retinal new vessels elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease. When combined with other manifestations of proliferative retinopathy is equivalent to OPDSRL4=4 (Proliferative). Can combine code 0=None and 1=Questionable for absent and code 2= less than 1/2 DISC AREA with 3=greater than or equal to1/2 DISC AREA for present.] (OPDSNVE)
TOTAL%
0) None318099.7
1) Questionable60.2
2) Less than 1/2 disc area50.2
Missing6958 
TOTAL3191100.0
420) Retinal fibrous proliferation, left eye. [This variable provides information on the presence or absence of retinal fibrous proliferation in the left eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease. English Instructions: FPD= Fibrous proliferation within the optic disc area; FPE = Fibrous proliferation elsewhere outside the optic disc margin. When combined with other manifestations of proliferative retinopathy is equivalent to OPDSRL4=4. Can combine code 0=None and 1=Questionable for absent; 2=FPD ONLY, 3=FPE ONLY, and 4=FPD + FPE for any present.] (OPDSRFP)
TOTAL%
0) None318799.6
1) Questionable40.1
2) FPD only10.0
3) FPE only60.2
4) FPD + FPE10.0
Missing6950 
TOTAL3199100.0
421) Pre-retinal/vitreous hemorrhage, left eye. [This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the left eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease. English Instructions: When combined with other manifestations of proliferative retinopathy is equivalent to OPDSRL4=4. Can combine 0=None and 1=Questionable for absent and 2= less than 1 Disc Area and 3=greater than or equal to 1 Disc Area for present.] (OPDSPHVH)
TOTAL%
0) None3196100.0
1) Questionable10.0
Missing6952 
TOTAL3197100.0
422) Macular edema, left eye. [This variable provides information on the presence or absence of macular edema by clinical significance. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula. Increased permeability of retinal capillaries and MAS may result in accumulation of extracellular fluid and thickening of normally compact retinal tissue called Macular Edema. In some cases, the macular edema becomes clinically significant. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=No and 1=Questionable for absent; and 2=Yes, but not CSME and 3=Yes, CSME for any macular edema present; exclude 7 from analysis.] (OPDSME)
TOTAL%
0) No310898.6
1) Questionable130.4
2) Yes, but not CSME110.3
3) Yes CSME170.5
7) Other40.1
Missing6996 
TOTAL3153100.0
423) Macular edema in center, left eye. [This variable provides information on the presence or absence of macular edema in the center from the left eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss. 'OTHER' refers to evidence of macular edema associated with retinopathy often associated with a specific ocular or systemic condition (e.g. retinal vein occlusion). Can combine 0=None and 1=Questionable for absent; 2=Present and CSME and 3=CSME with cysts for any present central involvement; exclude 7 from analysis. Can combine with visual acuity data in corresponding eye.] (OPDSMEC)
TOTAL%
0) None312399.1
1) Questionable120.4
2) Present and CSME140.4
7) Other30.1
Missing6997 
TOTAL3152100.0
424) Panretinal photocoagulation scar, left eye. [This variable provides information on the presence or absence of panretinal photocoagulation scars in the left eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels. In the absence of retinopathy, is usually combined with other signs of proliferative retinopathy which may or may not be present (refer to OPDSRET). Can combine 0=None and 1=Questionable/Incomplete for absent; and codes 2, 3, and 4 as present.] (OPDSPPS)
TOTAL%
0) None320099.6
3) Scatter only130.4
4) Scatter plus local10.0
Missing6935 
TOTAL3214100.0
425) Focal photocoagulation scars for ME, left eye. [This variable provides information on the presence or absence of focal laser photocoagulation from the left eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together. Can combine codes 0=None and 1=Questionable for absent and codes 2-4 (MA RX only, Grid Only, and MA RX + Grid Rx) for present.] (OPDSFOC)
TOTAL%
0) None319799.4
1) Questionable50.2
2) MA RX only110.3
3) Grid only10.0
4) MA RX & Grid RX10.0
Missing6934 
TOTAL3215100.0
426) ARM, three severity levels, left eye. [This variable provides information on the 3-level severity classification of age-related macular degeneration (ARM) from the left eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy. English Instructions: Can combine codes 1=Early ARM and 2=Late ARM.] (OPDSARM)
TOTAL%
0) No ARM287494.2
1) Early ARM1575.1
2) Late ARM190.6
Missing7099 
TOTAL3050100.0
427) Retinal and pigmentary abnormality, left eye. [This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the left eye. Target Gender: Both males and females.] (OPDSPIGA)
TOTAL%
0) No293796.2
1) Yes1163.8
Missing7096 
TOTAL3053100.0
428) Late ARM, left eye. [This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the left eye. Late ARM is defined by the presence of signs of exudative ARM and/or geographic atrophy.] (OPDSLARM)
TOTAL%
0) No308599.4
1) Yes190.6
Missing7045 
TOTAL3104100.0
429) Geographic atrophy, left eye. [This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, left eye.] (OPDSGA)
TOTAL%
0) No308599.7
1) Yes100.3
Missing7054 
TOTAL3095100.0
430) Exudative ARM, left eye. [This variable provides information on the presence or absence of exudative ARM from the left eye. English Instructions: Exudative ARM is also called neovascular ARM. Sometimes geographic atrophy is present.] (OPDSEXU)
TOTAL%
0) No309499.7
1) Yes90.3
Missing7046 
TOTAL3103100.0
431) Excluded for ARM, left eye. [Was the left eye excluded for ARM? ARM may not be ascertained for many reasons, refer to OPDSREA for the reason for ARM exclusion.] (OPDSAREX)
TOTAL%
0) No310997.8
1) Yes712.2
Missing6969 
TOTAL3180100.0
432) Reason for ARM exclusion, left eye. [If a condition exists in the macula which confounds the grader from evaluating Age Related Macular Degeneration (ARM) lesions from similar changes in the retina due to another process the eye is excluded (cannot grade) from evaluation of all ARM lesions from the right eye. This variable lists reasons such as trauma, laser treatment, retinal vessel occlusion, retinal dystrophy, myopic degeneration, presumed ocular histoplasmosis or chorioretinal taxoplasmosis scar, nonspecific inflammatory retinal lesion, retinopathy of prematurity (ROP), non ARM retinal pigment epithelial abnormality, non ARM detachment, unknown, other, and/or a retinal coloboma or staphyloma.] (OPDSREA)
TOTAL%
0) None317997.8
2) Laser RX180.6
3) Vessel occlusion50.2
4) Macular dystrophy40.1
5) Myopic degeneration50.2
6) Histoplasmosis/toxoplasmosis80.2
7) Inflammatory lesion40.1
10) Non-ARM RPE abnormality80.2
11) Non-ARM detachment20.1
12) Unknown etiology60.2
15) Other110.3
Missing6899 
TOTAL3250100.0
433) Hard distinct drusen, left eye. [This variable provides information on the presence or absence of hard distinct drusen, from the left eye. Currently considered not to be a sign of ARM by itself.] (OPDSHD)
TOTAL%
0) No137244.4
1) Yes171755.6
Missing7060 
TOTAL3089100.0
434) Drusen greater than or equal to 125 microns, left eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the left eye. Large drusen are considered a sign of early ARM.] (OPDSD125)
TOTAL%
0) No284193.0
1) Yes2157.0
Missing7093 
TOTAL3056100.0
435) Drusen greater than or equal to 500 microns, left eye. [This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the left eye. Large drusen are considered a sign of early ARM.] (OPDSD500)
TOTAL%
0) No296597.1
1) Yes902.9
Missing7094 
TOTAL3055100.0
436) Any soft drusen, left eye. [This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the left eye.] (OPDSASD)
TOTAL%
0) No266387.1
1) Yes39512.9
Missing7091 
TOTAL3058100.0
437) Soft distinct drusen, left eye. [This variable provides information on the presence or absence of soft distinct drusen, from the left eye. Soft distinct drusen is a less severe type of drusen than soft indistinct drusen.] (OPDSSDD)
TOTAL%
0) No272189.0
1) Yes33611.0
Missing7092 
TOTAL3057100.0
438) Soft indistinct drusen, left eye. [This variable provides information on the presence or absence of soft indistinct drusen from the left eye. Soft indistinct drusen is a more severe type of drusen than soft distinct drusen.] (OPDSSID)
TOTAL%
0) No288994.9
1) Yes1555.1
Missing7105 
TOTAL3044100.0
439) Increased retinal pigment, left eye. [This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the left eye.] (OPDSIRP)
TOTAL%
0) No294096.3
1) Yes1133.7
Missing7096 
TOTAL3053100.0
440) RPE depigmentation, left eye. [This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the left eye.] (OPDSRPE)
TOTAL%
0) No297797.6
1) Yes722.4
Missing7100 
TOTAL3049100.0
441) Any geographic atrophy, left eye. [This variable provides information on the presence or absence of any geographic atrophy from the left eye. English Instructions: This variable differs from the pure geographic atrophy variable, OPDSGA, because exudative ARM may be present concurrently in which case OPDSGA may result from exudative ARM and/or its treatment.] (OPDSAGA)
TOTAL%
0) No309099.6
1) Yes130.4
Missing7046 
TOTAL3103100.0
442) RPE/sensory retinal detachment, left eye. [This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/ Sensory Retinal detachment, a sign of exudative ARM, from the left eye.] (OPDSPED)
TOTAL%
0) No309199.8
1) Yes70.2
Missing7051 
TOTAL3098100.0
443) Subretinal new vessels, left eye. [This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the left eye.] (OPDSSNV)
TOTAL%
0) No3099100.0
Missing7050 
TOTAL3099100.0
444) Subretinal hemorrhage, left eye. [This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the left eye.] (OPDSSUBH)
TOTAL%
0) No309599.8
1) Yes50.2
Missing7049 
TOTAL3100100.0
445) Subretinal fibrous scar, left eye. [This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the left eye.] (OPDSSFS)
TOTAL%
0) No309699.8
1) Yes60.2
Missing7047 
TOTAL3102100.0
446) Treatment for ARM, left eye. [This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the left eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.] (OPDSARMX)
TOTAL%
0) No310099.9
1) Yes20.1
Missing7047 
TOTAL3102100.0
447) Retinal artery occlusion, left eye. [This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting infarction of the retina, from the left eye. Can combine codes 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center, to define present.] (OPDSBCO)
TOTAL%
0) 3229100.0
Missing6920 
TOTAL3229100.0
448) Retinal branch vein occlusion, left eye. [This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the left eye. Can combine with retinal central vein occlusion (OPDSCVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSBVO)
TOTAL%
0) No320099.6
1) Questionable60.2
2) Yes80.2
Missing6935 
TOTAL3214100.0
449) Retinal central vein occlusion, left eye. [This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the left eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDSRET). Can combine with retinal branch vein occlusion (OPDSBVO) to get retinal vein occlusion. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSCVO)
TOTAL%
0) No322199.8
1) Questionable10.0
2) Yes30.1
3) Yes, in center10.0
Missing6923 
TOTAL3226100.0
450) Retinal AV nicking, left eye. [This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the left eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDSAVN)
TOTAL%
0) No262982.1
1) Questionable37811.8
2) Yes1966.1
Missing6946 
TOTAL3203100.0
451) Focal arteriolar narrowing, left eye. [This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the left eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details. Can combine 0=No and 1=Questionable to define absent.] (OPDSFAN)
TOTAL%
0) No306596.7
1) Questionable932.9
2) Yes110.3
Missing6980 
TOTAL3169100.0
452) Hollenhorst plaque, left eye. [This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel. Can combine 0=No and 1=Questionable to define absent.] (OPDSHOLL)
TOTAL%
0) No319999.7
1) Questionable70.2
2) Yes30.1
Missing6940 
TOTAL3209100.0
453) Peripapillary atrophy, left eye. [This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the left eye. Can combine 0=No and 1=Questionable to define absent.] (OPDSPPA)
TOTAL%
0) No268483.1
1) Questionable1273.9
2) Yes41913.0
Missing6919 
TOTAL3230100.0
454) Asteroid Hyalosis, left eye. [This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the left eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSASHY)
TOTAL%
0) No322199.3
1) Questionable40.1
2) Yes170.5
3) Yes, in center10.0
Missing6906 
TOTAL3243100.0
455) Chorioretinal abnormality, left eye. [This variable provides information on the presence or absence of any chorioretinal abnormality from the left eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSCHRA)
TOTAL%
0) No319999.6
1) Questionable20.1
2) Yes100.3
Missing6938 
TOTAL3211100.0
456) Macular hole, left eye. [This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the left eye. Can combine 0=No and 1=Questionable to define absent. Can analyze with visual acuity data.] (OPDSMACH)
TOTAL%
0) No314299.7
1) Questionable90.3
2) Yes20.1
Missing6996 
TOTAL3153100.0
457) Choroidal nevus, left eye. [This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the left eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSCHN)
TOTAL%
0) No310196.9
1) Questionable371.2
2) Yes632.0
Missing6948 
TOTAL3201100.0
458) Any other treatment, left eye. [This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the left eye. Can combine 0=No and 1=Questionable to define absent; ; 2=Yes and 3=Yes, in center to define present.] (OPDSOTRX)
TOTAL%
0) No321899.9
2) Yes20.1
Missing6929 
TOTAL3220100.0
459) Histoplasmosis syndrome, left eye. [This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the left eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSPOHS)
TOTAL%
0) No321699.8
1) Questionable20.1
2) Yes30.1
3) Yes, in center20.1
Missing6926 
TOTAL3223100.0
460) Retinal detachment, left eye. [This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the left eye. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSRDET)
TOTAL%
0) No321399.9
1) Questionable10.0
2) Yes30.1
Missing6932 
TOTAL3217100.0
461) SW, cellophane changes, left eye. [This variable provides information on the presence or absence of epiretinal membrane (cellophane changes) from the left eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction. Can combine with epiretinal membrane (traction changes) variable (OPDSSWRT). Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSSWR)
TOTAL%
0) No272986.4
1) Questionable441.4
2) Yes36911.7
3) Yes, in center160.5
Missing6991 
TOTAL3158100.0
462) SW, traction changes, left eye. [This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the left eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane. Can combine with epiretinal membrane cellophane changes, variable OPDSSWR. Can combine 0=No and 1=Questionable to define absent; 2=Yes and 3=Yes, in center to define present.] (OPDSSWRT)
TOTAL%
0) No308397.7
1) Questionable150.5
2) Yes471.5
3) Yes, in center120.4
Missing6992 
TOTAL3157100.0
463) Other ocular conditions, left eye. [This variable provides information of other ocular conditions not graded elsewhere, from the left eye.] (OPDSOTHC)
TOTAL%
0) No301893.9
1) Questionable260.8
2) Yes1715.3
Missing6934 
TOTAL3215100.0
464) Vertical cup disc ratio, left eye. [This variable provides the vertical cup to disc ratio, in microns, from the left eye. The vertical cup to disc ration is from 0 to 1.0] (OPDSVCDR)
NMeanStd.Deviation
TOTAL3190.4110
465) Glasses/contact lenses for near work? [Do you wear glasses or contact lenses for reading or near work?] (VIQ150)
TOTAL%
1) Yes238785.6
2) No39814.3
9) Don't know30.1
Missing7361 
TOTAL2788100.0
466) Glasses/contact lenses available? [If VIQ150 = 'Yes', record if the examinee brought their near work glasses, contacts, or a combination of glasses and/or contacts to the testing facility.] (VIQ160)
TOTAL%
1) Yes204885.8
2) No33914.2
Missing7762 
TOTAL2387100.0
467) Glasses or contacts worn for near test? [If VIQ160 = 'Yes', record whether the examinee wore glasses, contacts, or a combination of glasses and/or contacts for test of near vision.] (VIQ170)
TOTAL%
1) Glasses201198.2
2) Contacts311.5
3) Both glasses and contact lenses60.3
Missing8101 
TOTAL2048100.0
468) Line read on near card. [The number of the last line the examinee read with one or fewer misses, that is the number of the last line where the examinee read at least four out of the five characters correctly. Line 1 has the largest print; line 5 has the smallest print.] (VIXNC1)
TOTAL%
0) 040.1
1) 1180.6
2) 21786.4
3) 334512.4
4) 484630.3
5) 5138449.6
8) Could not obtain130.5
Missing7361 
TOTAL2788100.0
469) Testing distance of near card. [Record to the nearest inch the distance from the center of the card to the examinee's brow. A measuring tape is used to determine the distance. (Rounding rule: Numbers less than 0.5, round down (example 16 1/4 = 16) and numbers equal to or greater than 0.5, round up (13 1/2 = 14, 21 3/4 = 22).)] (VIXNC2)
TOTAL%
4) 420.1
7) 740.1
8) 880.3
9) 9180.6
10) 10341.2
11) 11672.4
12) 121565.6
13) 132228.0
14) 1433612.1
15) 1540714.6
16) 1638513.8
17) 1733412.0
18) 182037.3
19) 191766.3
20) 201184.2
21) 21943.4
22) 22732.6
23) 23461.6
24) 24341.2
25) 25230.8
26) 26150.5
27) 2790.3
28) 2870.3
29) 2910.0
30) 3010.0
31) 3120.1
88) Could not obtain130.5
Missing7361 
TOTAL2788100.0
470) Eye surgery for near sightedness? [Have you ever had eye surgery to treat or prevent nearsightedness or myopia? The interest is in laser or radial keratotomy (RK) surgeries used to improve nearsightedness. Some other terms to describe this surgery include: PRK, RK, Lasik, Eximer, or Refractive Surgery.] (VIQ180)
TOTAL%
1) Yes981.5
2) No640998.2
9) Don't know200.3
Missing3622 
TOTAL6527100.0
471) Which eye(s) surgery - near-sightedness? [If VIQ180 = 'Yes', record which eye(s) was/were operated on.] (VIQ191)
TOTAL%
1) Right88.2
2) Left88.2
3) Both8081.6
9) Don't know22.0
Missing10051 
TOTAL98100.0
472) Eye surgery for cataracts? [Have you ever had eye surgery to treat cataracts?] (VIQ200)
TOTAL%
1) Yes5348.2
2) No598291.7
9) Don't know110.2
Missing3622 
TOTAL6527100.0
473) Which eye(s) cataract surgery? [If VIQ200 = 'Yes', record which eye(s) was/were operated on for cataracts.] (VIQ211)
TOTAL%
1) Right7514.0
2) Left7113.3
3) Both38471.9
9) Don't know40.7
Missing9615 
TOTAL534100.0
474) Glasses/contact lenses worn for distance. [Do you wear glasses or contact lenses for distance vision, such as when you watch television?] (VIQ220)
TOTAL%
1) Yes297645.6
2) No354854.4
9) Don't know30.0
Missing3622 
TOTAL6527100.0
475) Is distance correction available? [If VIQ220 = 'Yes', record if examinee brought their distance correction to the testing center. The SP could be wearing the correction or brought it with them.] (VIQ230)
TOTAL%
1) Yes258286.8
2) No39413.2
Missing7173 
TOTAL2976100.0
476) Which type? Glasses or contacts? [If VIQ230 = 'Yes', record the type of correction (glasses, contacts, or a combination of glasses and contacts) the SP has with them. This specifies the type of correction worn by the SP for the presenting VA tests (VIDRVA and VIDLVA).] (VIQ240)
TOTAL%
1) Glasses221485.7
2) Contacts35113.6
3) Both glasses and contact lenses170.7
Missing7567 
TOTAL2582100.0
477) Was prescription obtained? [Did the examiner capture the prescription of the examinee's lens? This pertains to the lens prescription used for viewing distant objects.] (VIQ250)
TOTAL%
1) Yes222099.5
2) No110.5
Missing7918 
TOTAL2231100.0
478) Prescription, right sphere. [The prescription of the sphere in the right lens used for distance correction. For distance eyeglasses only.] (VIXPRS)
NMeanStd.Deviation
TOTAL22241.70416
479) Prescription, right cylinder. [Prescription of the cylinder in the right lens used for distance correction. For distance eyeglasses only.] (VIXPRC)
TOTAL%
-1.75) -1.7510.0
0) 036816.5
.25) 24611.1
.5) 40918.4
.75) 29713.4
1) 123510.6
1.25) 1.251788.0
1.5) 1.51054.7
1.75) 1.75733.3
2) 2532.4
2.25) 2.25462.1
2.5) 2.5452.0
2.75) 2.75311.4
3) 3200.9
3.25) 3.25130.6
3.5) 3.590.4
3.75) 3.7560.3
4) 460.3
4.25) 4.2530.1
4.5) 4.520.1
4.75) 4.7540.2
5) 520.1
5.25) 5.2510.0
6.25) 6.2510.0
88) Could not obtain703.1
Missing7925 
TOTAL2224100.0
480) Prescription, right axis. [Prescription of the axis in the right lens used for distance correction. For distance eyeglasses only.] (VIXPRA)
NMeanStd.Deviation
TOTAL2224103.803155
481) Prescription, left sphere. [Prescription of the sphere in the left lens used for distance correction. For distance eyeglasses only.] (VIXPLS)
NMeanStd.Deviation
TOTAL22241.68916
482) Prescription, left cylinder. [Prescription of the cylinder in the left lens used for distance correction. For distance eyeglasses only.] (VIXPLC)
TOTAL%
-.25) 10.0
0) 037316.8
.25) 26311.8
.5) 36616.5
.75) 28512.8
1) 123310.5
1.25) 1.251908.5
1.5) 1.51195.4
1.75) 1.75934.2
2) 2592.7
2.25) 2.25381.7
2.5) 2.5442.0
2.75) 2.75221.0
3) 3221.0
3.25) 3.25100.4
3.5) 3.570.3
3.75) 3.7580.4
4) 480.4
4.25) 4.2520.1
4.5) 4.540.2
4.75) 4.7540.2
5) 510.0
5.5) 5.520.1
6) 610.0
88) Could not obtain693.1
Missing7925 
TOTAL2224100.0
483) Prescription, left axis. [Prescription of the axis in the left lens used for distance correction. For distance eyeglasses only.] (VIXPLA)
NMeanStd.Deviation
TOTAL2224101.697155
484) Visual acuity comments. [The examiner can note special circumstances related to a visual acuity test. These apply to distance vision tests.] (VIXOCMT)
TOTAL%
1) Monovision glasses/contacts worn for visual acuity924.3
2) Cataract contact lenses worn for objective refraction38.1
3) Contacts worn for objective refraction1232.4
4) Artificial eye513.5
5) Monovision contacts worn for objective refraction38.1
6) Contact in right eye only for presenting visual acuity25.4
7) Contact in left eye only for presenting visual acuity38.1
Missing10112 
TOTAL37100.0
485) OR right sphere, median. [Spherical dioptric power (median value of three objective refractions) of the examinee's right eye. Both males and females.] (VIXORSM)
NMeanStd.Deviation
TOTAL65062.74218
486) OR right cylinder, median. [Cylindrical dioptric power (median value of three objective refractions) of the examinee's right eye.] (VIXORCM)
TOTAL%
0) 02123.3
.25) 157124.2
.39) 10.0
.5) 134720.7
.75) 96314.8
1) 164810.0
1.25) 1.254286.6
1.5) 1.53114.8
1.75) 1.752033.1
2) 21322.0
2.25) 2.251141.8
2.5) 2.5751.2
2.75) 2.75480.7
3) 3430.7
3.25) 3.25230.4
3.5) 3.5280.4
3.75) 3.75130.2
4) 4140.2
4.25) 4.25140.2
4.5) 4.5110.2
4.75) 4.7580.1
5) 570.1
5.25) 5.2540.1
5.5) 5.560.1
5.75) 5.7530.0
6) 620.0
6.25) 6.2520.0
6.75) 6.7520.0
7) 720.0
7.25) 7.2510.0
7.75) 7.7520.0
88) Could not obtain2674.1
Missing3644 
TOTAL6505100.0
487) OR right axis, median. [Axis of refractive astigmatism (median value of three objective refractions) of the examinee's right eye.] (VIXORAM)
NMeanStd.Deviation
TOTAL6506118.448170
488) OR right confidence level reading. [The confidence level of the objective refraction reading for the right eye (mean of three measures). Lower values equate to less confidence in the objective refraction values.] (VIDORFM)
TOTAL%
5) 220.3
5.3) 120.2
5.5) 40.1
5.7) 230.4
6) 611.0
6.3) 450.7
6.5) 80.1
6.7) 550.9
7) 1221.9
7.3) 1252.0
7.5) 20.0
7.7) 1662.6
8) 3385.4
8.3) 3796.0
8.5) 10.0
8.7) 5388.6
9) 439069.8
Missing3858 
TOTAL6291100.0
489) OR left sphere, median. [Spherical dioptric power (median value of three objective refractions) of the examinee's left eye.] (VIXOLSM)
NMeanStd.Deviation
TOTAL65063.68520
490) OR left cylinder, median. [Cylindrical dioptric power (median value of three objective refractions) of the examinee's left eye.] (VIXOLCM)
TOTAL%
0) 02163.3
.25) 141321.7
.42) 10.0
.5) 137421.1
.75) 104916.1
1) 164810.0
1.25) 1.254557.0
1.5) 1.52574.0
1.75) 1.752283.5
2) 21392.1
2.25) 2.25971.5
2.5) 2.5701.1
2.75) 2.75380.6
3) 3530.8
3.25) 3.25350.5
3.5) 3.5150.2
3.75) 3.75180.3
4) 4110.2
4.25) 4.2560.1
4.5) 4.570.1
4.75) 4.7580.1
5) 540.1
5.25) 5.2590.1
5.5) 5.540.1
5.75) 5.7530.0
6) 640.1
6.25) 6.2530.0
7) 710.0
7.25) 7.2510.0
7.75) 7.7510.0
88) Could not obtain3375.2
Missing3644 
TOTAL6505100.0
491) OR left axis, median. [Axis of refractive astigmatism (median value of three objective refractions) of the examinee's left eye.] (VIXOLAM)
NMeanStd.Deviation
TOTAL6506129.962186
492) OR left confidence level reading. [The confidence level of the objective refraction reading of the left eye (mean of three measures). Lower values equate to less confidence in the objective refraction values.] (VIDOLFM)
TOTAL%
5) 250.4
5.3) 130.2
5.5) 60.1
5.7) 240.4
6) 580.9
6.3) 450.7
6.5) 140.2
6.7) 691.1
7) 1121.8
7.3) 1171.9
7.5) 50.1
7.7) 1322.1
8) 3665.8
8.3) 3685.8
8.5) 60.1
8.7) 5709.1
9) 436569.3
Missing3854 
TOTAL6295100.0
493) Right keratometry radius flat curve (mm). [Keratometric measure. Radius of corneal curvature (in mm) in the least power meridian of the examinee's right eye (median of three measures).] (VIXKRM1)
NMeanStd.Deviation
TOTAL65048.7218
494) Right keratometry power flat curve (D). [Keratometric measure. Dioptric power in the least power meridian of the cornea in the examinee's right eye (median of three measures).] (VIXKRD1)
NMeanStd.Deviation
TOTAL650443.6345
495) Right keratometry axis flat curve (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the least power meridian of the examinee's right eye.] (VIXKRG1)
NMeanStd.Deviation
TOTAL650489.508107
496) Right keratometry radius steep curve (mm). [Keratometric measure. Radius of corneal curvature (in mm) in the greatest power meridian of the examinee's right eye (median of three measures).] (VIXKRM2)
NMeanStd.Deviation
TOTAL65048.5488
497) Right keratometry power steep curve (D). [Keratometric measure. Dioptric power in the meridian of the cornea with the greatest power in the examinee's right eye (median of three measures).] (VIXKRD2)
NMeanStd.Deviation
TOTAL650444.6265
498) Right keratometry axis steep curve (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the greatest power meridian of the examinee's right eye.] (VIXKRG2)
NMeanStd.Deviation
TOTAL6504100.55192
499) Right keratometry radius, average (mm). [Keratometric measure. Radius of corneal curvature (in mm) averaged across meridians in the examinee's right eye.] (VIXKRMM)
NMeanStd.Deviation
TOTAL65048.6378
500) Right keratometry power, average (D). [Keratometric measure. Dioptric power of the cornea averaged across meridians in the examinee's right eye.] (VIXKRDM)
NMeanStd.Deviation
TOTAL650444.1065
501) Right keratometry cylinder. [Keratometric measure. Difference in dioptric power between meridians of the cornea in the examinee's right eye.] (VIXKRCD)
TOTAL%
0) 01161.8
.11) 10.0
.25) 91014.0
.5) 137621.2
.75) 120318.5
1) 193714.4
1.25) 1.256429.9
1.5) 1.54266.5
1.75) 1.752513.9
2) 21492.3
2.25) 2.25981.5
2.5) 2.5701.1
2.75) 2.75570.9
3) 3410.6
3.25) 3.25310.5
3.5) 3.5200.3
3.75) 3.75130.2
4) 4180.3
4.25) 4.25150.2
4.5) 4.5120.2
4.75) 4.7590.1
5) 540.1
5.25) 5.2550.1
5.5) 5.530.0
5.75) 5.7520.0
6.25) 6.2530.0
6.5) 6.510.0
6.75) 6.7530.0
7) 710.0
7.25) 7.2510.0
7.75) 7.7520.0
10.75) 10.7510.0
11) 1110.0
17.75) 17.7510.0
19.75) 19.7510.0
20.75) 20.7510.0
21.5) 21.520.0
21.75) 21.7520.0
22.75) 22.7510.0
23.25) 23.2510.0
24.75) 24.7510.0
88) Could not obtain721.1
Missing3645 
TOTAL6504100.0
502) Right keratometry axis (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the steepest meridian of the cornea in the examinee's right eye.] (VIXKRCG)
NMeanStd.Deviation
TOTAL6504100.55192
503) Left keratometry radius flat curve (mm). [Keratometric measure. Radius of corneal curvature (in mm) in the least power meridian of the examinee's left eye (median of three measures).] (VIXKLM1)
NMeanStd.Deviation
TOTAL65048.6018
504) Left keratometry power flat curve (D). [Keratometric measure. Dioptric power in the least power meridian of the cornea in the examinee's left eye (median of three measures).] (VIXKLD1)
NMeanStd.Deviation
TOTAL650443.6215
505) Left keratometry axis flat curve (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the least power median of the examinee's left eye.] (VIXKLG1)
NMeanStd.Deviation
TOTAL650491.349103
506) Left keratometry radius steep curve (mm). [Keratometric measure. Radius of corneal curvature (in mm) in the greatest power meridian of the examinee's left eye (median of three measures).] (VIXKLM2)
NMeanStd.Deviation
TOTAL65048.4248
507) Left keratometry power steep curve (D). [Keratometric measure. Dioptric power in the meridian of the cornea with the greatest power in the examinee's left eye (median of three measures).] (VIXKLD2)
NMeanStd.Deviation
TOTAL650444.6525
508) Left keratometry axis steep curve (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the greatest power meridian of the examinee's left eye.] (VIXKLG2)
NMeanStd.Deviation
TOTAL6504100.49587
509) Left keratometry radius, average (mm). [Keratometric measure. Radius of corneal curvature (in mm) averaged across meridians in the examinee's left eye.] (VIXKLMM)
NMeanStd.Deviation
TOTAL65048.5158
510) Left keratometry power, average (D). [Keratometric measure. Dioptric power of the cornea averaged across meridians in the examinee's left eye.] (VIXKLDM)
NMeanStd.Deviation
TOTAL650444.1075
511) Left keratometry cylinder. [Keratometric measure. Difference in dioptric power between meridians of the cornea in the examinee's left eye.] (VIXKLCD)
NMeanStd.Deviation
TOTAL65041.8839
512) Left keratometry axis (deg). [Keratometric measure. Axis of corneal astigmatism (in degrees) in the steepest meridian of the cornea in the examinee's left eye.] (VIXKLCG)
NMeanStd.Deviation
TOTAL6504100.49587
513) Right visual acuity, presenting. [The presenting visual acuity of the right eye with usual correction. Usual correction could be: eyeglasses, contacts, eyeglasses and contacts, or no correction depending on what the SP wore (or brought with them) to view distant objects on the day they visited the MEC (see VIQ230 and VIQ240).] (VIDRVA)
TOTAL%
20) 20/20258340.1
25) 20/25173026.9
30) 20/3065610.2
40) 20/403195.0
50) 20/5070410.9
60) 20/60891.4
80) 20/801151.8
200) 20/2001882.9
666) 20/200+570.9
Missing3708 
TOTAL6441100.0
514) Left visual acuity, presenting. [The presenting visual acuity of the left eye with usual correction. Usual correction could be: eyeglasses, contacts, eyeglasses and contacts, or no correction depending on what the SP wore (or brought with them) to view distant objects on the day they visited the MEC (see VIQ230 and VIQ240).] (VIDLVA)
TOTAL%
20) 20/20254939.5
25) 20/25171826.6
30) 20/3070410.9
40) 20/403084.8
50) 20/5070510.9
60) 20/601171.8
80) 20/801211.9
200) 20/2001682.6
666) 20/200+621.0
Missing3697 
TOTAL6452100.0
515) Right visual acuity, with objective refraction. [The visual acuity with objective refraction of the right eye. This is the visual acuity reported by the SP after the autorefractor inserted what it deemed, based on the objective refraction, to be the most appropriate lens (if any) to allow the eye to see 20/25 or better. This test was only performed on eyes whose presenting visual acuity was 20/30 or worse.] (VIDROVA)
TOTAL%
25) 20/25139669.4
30) 20/301547.7
40) 20/401035.1
50) 20/5022611.2
60) 20/60211.0
80) 20/80311.5
200) 20/200592.9
666) 20/200+211.0
Missing8138 
TOTAL2011100.0
516) Left visual acuity, with objective refraction. [The visual acuity with objective refraction of the left eye. This is the visual acuity reported by the SP after the autorefractor inserted what it deemed, based on the objective refraction, to be the most appropriate lens (if any) to allow the eye to see 20/25 or better. This test was only performed on eyes whose presenting visual acuity was 20/30 or worse.] (VIDLOVA)
TOTAL%
25) 20/25143069.7
30) 20/301426.9
40) 20/40954.6
50) 20/5025312.3
60) 20/60170.8
80) 20/80311.5
200) 20/200592.9
666) 20/200+241.2
Missing8098 
TOTAL2051100.0