Question pretext
Have you ever had your eyes examined by a medical professional?
Literal question
Do you use eyeglasses or contact lenses to see far away (for example across the street)?
Categories
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
Interviewer: Enter years or months ago. Enter "00" if less than 1 year or 1 month ago.
Question post text
Yes
NEVER
DON’T KNOW