| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 0 |
0%
|
| 1 | No problems | 4879 |
90.6%
|
| 2 | Difficulties seeing things close | 197 |
3.7%
|
| 3 | Difficulties seeing things far away | 165 |
3.1%
|
| 4 | Generally poor eyesight | 77 |
1.4%
|
| 5 | Cannot see at night | 26 |
0.5%
|
| 6 | Blind in one eye | 21 |
0.4%
|
| 7 | Blind in both eyes | 21 |
0.4%
|
| 8 | Others | 0 |
0%
|
| Sysmiss | 5 |