VISION (respondent should answer, as when wearing glasses/contact lenses if used)
Literal question
In the last 30 days, how much difficulty did you have in seeing and recognising an object a person you know across the road (from
a distance of about 20 meters)?
Categories
Value
Category
Cases
1
none
63
31.5%
2
mild
42
21%
3
moderate
75
37.5%
4
severe
12
6%
5
extreme/cannot do
8
4%
8
dk
0
0%
9
na
0
0%
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: Read and show scale to respondent
Question post text
1. None
2. Mild
3. Moderate
4. Severe
5. Extreme/cannot do
Description
Definition
Now I would like to review the different functions of your body. When answering these questions, I would like you to think about the last 30 days, taking both good and bad days into account. When I ask about difficulty, I would like you to consider how much difficulty you have had, on average, in the last 30 days, while doing the activity in the way that you usually do it. By difficulty I mean requiring increased effort, discomfort or pain, slowness or changes in the way you do the activity.
