Having visual disability - degree (code)
(B5_q5)
File: Block 5_Particulars of physical disability of the disabled member
Overview
Type:
Discrete
Format: character
Width: 1
| Valid cases: 0
Invalid: 0
|
Definition
Visual disability:
By visual disability, it was meant, loss or lack of ability to execute tasks requiring adequate visual acuity. For the survey, visually disabled included (a) those who did not have any light perception - both eyes taken together and (b) those who had light perception but could not correctly count fingers of hand (with spectacles/contact lenses if he/she used spectacles/contact lenses) from a distance of 3 metres (or 10 feet) in good day light with both eyes open. Night blindness was not considered as visual disability.
Questions and instructions
Literal question
What is the extent of visual disabilty of the member of the household?
Categories
|
0
|
not reported
|
|
1
|
no light perception
|
|
2
|
has light perception but cannot count fingers even with spectacles : normally uses spectacles
|
|
3
|
normally does not use spectacles
|
|
9
|
invalid
|
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.
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