Visual impairment and blindness prevalence by age, sex, and literacy based on presenting visual acuity (%)
| Normal/ near normal | Visual impairment | Unilateral blindness | Moderate blindness | Severe blindness | Missing visual acuity | |
|---|---|---|---|---|---|---|
| Age: | ||||||
| 45–49 | 1244 (89.8) | 62 (4.5) | 50 (3.6) | 7 (0.5) | 11 (0.8) | 12 (0.9) |
| 50–59 | 1264 (81.0) | 164 (10.5) | 85 (5.4) | 21 (1.3) | 21 (1.3) | 6 (0.4) |
| 60–69 | 643 (62.2) | 211 (20.4) | 95 (9.2) | 40 (3.9) | 38 (3.7) | 6 (0.6) |
| 70+ | 228 (36.7) | 179 (28.2) | 110 (17.7) | 37 (5.9) | 66 (10.6) | 2 (0.3) |
| Sex: | ||||||
| Male | 1662 (73.8) | 314 (13.9) | 165 (7.3) | 46 (2.0) | 52 (2.3) | 14 (0.6) |
| Female | 1717 (73.1) | 302 (12.9) | 175 (7.4) | 59 (2.5) | 84 (3.6) | 12 (0.5) |
| Literacy: | ||||||
| Literate | 767 (83.8) | 85 (9.3) | 39 (4.3) | 5 (0.5) | 13 (1.4) | 6 (0.7) |
| Illiterate | 2612 (70.8) | 531 (14.4) | 301 (8.2) | 100 (2.7) | 123 (3.3) | 20 (0.5) |
| All | 3379 (73.4) | 616 (13.4) | 340 (7.4) | 105 (2.3) | 136 (3.0) | 26 (0.6) |
| (5.22–9.55) | (1.52–3.04) | (2.05–3.86) | ||||
| All (best corrected) | 3839 (83.4) | 279 (6.1) | 280 (6.1) | 65 (1.4) | 113 (2.5) | 26 (0.6) |
| (4.30–7.87) | (0.94–1.88) | (1.70–3.21) | ||||
↵95% confidence intervals.