Instrument Variable Name: VIS_1
QuestionText:

Do you wear glasses to see far away?

1 Yes
2 No
7 Refused
9 Don't know

UniverseText: Sample adults 18+ who have no difficulty, some difficulty, a lot of difficulty, or refused or don't know if they have difficulty seeing, even when wearing glasses
SkipInstructions:

(1,2,R,D)[goto VIS_2]