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Avoidable causes of severe visual impairment and blindness among 650 children examined in 13 schools for the blind in Delhi
| No | % of total | |
| Preventable | ||
| Vitamin A deficiency/measles | 139 | 21.4 |
| TORCH/meningitis | 22 | 3.4 |
| Autosomal dominant | 10 | 1.5 |
| Trauma/harmful traditional eye remedies | 11 | 1.7 |
| Subtotal: | 182 | 28.0 |
| Treatable | ||
| Cataract | 54 | 8.3 |
| Glaucoma | 32 | 4.9 |
| Uveitis | 12 | 1.8 |
| ROP | 3 | 0.5 |
| Subtotal: | 101 | 15.5 |
| Total avoidable | 283 | 43.5 |
