Distribution of the main cause of visual impairment in people with <6/12 presenting VA in the better eye
| Disorder | No | % |
|---|---|---|
| Cataract | 1299 | 73.39 |
| Refractive error | 334 | 18.87 |
| Macular degeneration | 33 | 1.86 |
| Uncorrected aphakia | 21 | 1.19 |
| Central corneal opacity | 15 | 0.85 |
| Other posterior segment disease | 15 | 0.85 |
| Glaucoma | 13 | 0.73 |
| Other (including “incomplete examination”) | 11 | 0.62 |
| Optic atrophy | 9 | 0.51 |
| Phthisical eye | 8 | 0.45 |
| Chorioretinitis | 6 | 0.34 |
| Diabetic retinopathy | 3 | 0.17 |
| Pterygium | 3 | 0.17 |
| Total | 1770 | 100.00 |