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Anatomic site of abnormality, underlying etiology, cause of blindness, and low vision
| Blindness (%) | Low vision (%) | |
|---|---|---|
| Anatomic site | ||
| Whole globe | 4 (20) | 0 |
| Cornea | 11 (55) | 4 (44.4) |
| Lens | 3 (15) | 1 (11.1) |
| Uvea | 2 (10) | 0 |
| Refractive | 0 | 4 (44.4) |
| Etiology | ||
| Hereditary | 2 (10) | 4 (44.4) |
| Childhood factor | 15 (75) | 5 (55.6) |
| Unknown (uveitis) | 2 (10) | 0 |
| Couching | 1 (5) | 0 |
| Cause | ||
| Preventable | 16 (80) | 4 (44.4) |
| Treatable | 4 (20) | 5 (55.6) |
| Unavoidable | 0 | 0 |
