Principal causes of presenting blindness in eyes
| Eyes of bilaterally blind person | Eyes of unilaterally blind people | All blind eyes | |
|---|---|---|---|
| Principal cause | No (%) | No (%) | No (%) |
| *Phthisical/disorganised/absent globe. | |||
| Cataract | 762 (64.4) | 355 (60.8) | 1117 (63.2) |
| Refractive error | 276 (23.3) | 72 (12.3) | 348 (19.7) |
| ARMD | 34 (2.9) | 18 (3.1) | 52 (2.9) |
| Corneal opacity | 19 (1.6) | 31 (5.3) | 50 (2.8) |
| Globe disorders* | 19 (1.6) | 31 (5.3) | 50 (2.8) |
| Glaucoma | 27 (2.3) | 14 (2.4) | 41 (2.3) |
| Optic atrophy | 11 (0.9) | 17 (2.9) | 28 (1.6) |
| Retinal detachment | 6 (0.5) | 13 (2.2) | 19 (1.1) |
| PCO | 6 (0.5) | 6 (1.0) | 12 (0.7) |
| Amblyopia | 2 (0.2) | 6 (1.0) | 8 (0.5) |
| Other/surgical complications | 6 (0.5) | 9 (1.5) | 15 (0.9) |
| Other | 16 (1.4) | 12 (2.1) | 28 (1.6) |
| All causes | 1184 (1.4) | 584 (100.0) | 1768 (100.0) |