Visual impairment and blindness prevalence by age, sex, literacy and geographical area
| Particulars | Examined | Visual impairment | Blindness | Visual impairment+blindness | ||
| No (%) | Unilateral | Bilateral | Total | |||
| No (%) | No (%) | No (%) | ||||
| Age (years) | ||||||
| 50–59 | 2472 | 259 (10.5) | 114 (4.6) | 42 (1.7) | 156 (6.3) | 415 (16.8) |
| 60–69 | 1590 | 377 (23.7) | 164 (10.3) | 86 (5.4) | 250 (15.7) | 627 (39.4)* |
| 70+ | 1076 | 338 (31.4) | 172 (16.0) | 109 (10.1) | 281 (26.1) | 619 (57.5)† |
| Sex | ||||||
| Male | 2437 | 484 (19.9) | 231 (9.5) | 121 (5) | 352 (14.4) | 836 (34.3) |
| Female | 2701 | 490 (18.1) | 219 (8.1) | 116 (4.3) | 335 (12.4) | 825 (30.5) |
| Literacy | ||||||
| Literate | 648 | 84 (13.0) | 42 (6.5) | 10 (1.5) | 52 (8.0) | 136 (21.0) |
| Illiterate | 4490 | 890 (19.8) | 408 (9.1) | 227 (5.1) | 635 (14.1) | 1525 (34.0)‡ |
| Residence | ||||||
| Plains | 2661 | 544 (20.4) | 276 (10.4) | 155 (5.8) | 431 (16.2) | 975 (36.6) |
| Hills | 2477 | 430 (17.4) | 174 (7.0) | 82 (3.3) | 256 (10.3) | 686 (27.7)§ |
| Total | 5138 | 974 (19) | 450 (8.8) | 237 (4.6) | 687 (13.4) | 1661 (32.3) |