Percentage distributions of causes of bilateral blindness and low vision
| Blindness (%) | Low vision (%) | |
|---|---|---|
| Causes | (n=64) | (n=514) |
| Blindness: | ||
| *Retinal diseases: ARMD (n=3), macular scar (n=1), retinitis pigmentosa (n=4), retinopathy of prematurity (n=1), optic atrophy (n=1), diabetic retinopathy (n=1). | ||
| †Others: phthisis (n=3), albinism (n=1), uncorrected aphakia (n=4), not examined (n=2), undetermined (n=6). | ||
| Low vision: | ||
| *Retinal diseases: ARMD (n=7), macular hole (n=2), myopic degeneration (n=2), diabetic retinopathy (n=6). | ||
| †Others: phthisis (n=1), subluxated lens (n=1), uncorrected aphakia (n=5), optic atrophy (n=11), not examined (n=1), undetermined (n=26). | ||
| Refractive errors | 4.1 | 48.3 |
| Cataract | 39.1 | 35.9 |
| Retinal diseases* | 24.5 | 2.8 |
| Corneal diseases | 3.4 | 2.5 |
| Glaucoma | 1.8 | 1.8 |
| Others† | 27.0 | 8.6 |