Table 4.
Distribution of eyes with disability according to the causative factor
| Cause | Both eyes | One eye | Total eyes |
|---|---|---|---|
| Phthisis bulbi | 34 | 21 | 55 (17.74) |
| Microphthalmos | 38 | 3 | 41 (13.23) |
| Central leucoma | 26 | 12 | 38 (12.26) |
| Retinitis pigmentosa | 22 | 0 | 22 (7.10) |
| Optic atrophy | 22 | 0 | 22 (7.10) |
| Glaucoma | 18 | 0 | 18 (5.81) |
| Congenital cataract | 16 | 1 | 17 (5.48) |
| Anterior staphyloma | 10 | 5 | 15 (4.84) |
| Macular dystrophy | 14 | 0 | 14 (4.52) |
| Myopic degeneration | 10 | 2 | 12 (3.87) |
| Coloboma | 8 | 2 | 10 (3.23) |
| Retinal detachment | 8 | 2 | 10 (3.23) |
| Anophthalmos | 6 | 3 | 9 (2.90) |
| Amblyopia | 4 | 3 | 7 (2.26) |
| Corneal dystrophy | 4 | 1 | 5 (1.61) |
| Central choroiditis | 4 | 1 | 5 (1.61) |
| Occlusio pupillae | 2 | 1 | 3 (0.97) |
| Corneal degeneration | 2 | 0 | 2 (0.64) |
| Diabetic retinopathy | 2 | 0 | 2 (0.64) |
| Buphthalmos | 2 | 0 | 2 (0.64) |
| Retinoblastoma | 0 | 1 | 1 (0.32) |
| Total | 252 | 58 | 310 (100) |
Figures in parenthesis are in percentages