K - Measurement of Refractive Error

The main survey was conducted by a nurse

Measurement of Refractive Error
VISREFA1Are you carrying autorefractor?
Respondent:
Cohort Member
Keywords:

Valid:
9336
Missing:
41
Minimum:
1.0
Maximum:
2.0

Tabulation:
ValueLabelFreq. % 
1Yes2887 30.9 
2No6449 69.1 
-3Not applicable  
-2Not recorded - CAPI lost  
-1Not applicable,no consent  
Measurement of Refractive Error (Test)
VISREFA2Autorefractor serial number
VSPHRRight eye sphere
VCYLRRight eye cylinder
VAXRRight eye axial
VQUALRRight eye quality score
VSPHLLeft eye sphere
VCYLLLeft eye cylinder
VAXLLeftt eye axial
VQUALLLeft eye quality score
PRINTOUTPrintout attached to consent booklet?