Causes of low vision and blindness
| Visual acuity | |||
|---|---|---|---|
| Cause | 6/24–6/60 | 5/60–3/60 | <3/60 |
| Cataract | 176 (33.7%) | 62 (46.3%) | 354 (50.4%) |
| Trachoma | 109 (20.9%) | 39 (29.1%) | 137 (19.5%) |
| Refractive errors | 133 (25.5%) | 14 (10.4%) | 25 (3.5%) |
| Glaucoma | 16 (3.1%) | 1 (0.7%) | 54 (7.7%) |
| Uncorrected aphakia | 3 (0.6%) | 4 (3.0%) | 23 (3.3%) |
| Others | 85 (16.3%) | 14 (10.4%) | 109 (15.5%) |