Table 5. Proportion of Blindness, SVI, and MVI in examined persons due to specific causes in Thailand.
| Causes | Blindness (n = 99) | SVI (n = 236) | MVI (n = 2,431) |
| % | % | % | |
| Cataract untreated | 69.7 | 77.1 | 60.0 |
| Refractive error | 4.0 | 10.2 | 26.7 |
| Aphakia uncorrected | 2.0 | 0.0 | 0.1 |
| Cataract surgical complications | 1.0 | 0.4 | 0.9 |
| Glaucoma | 4.0 | 3.4 | 3.2 |
| Diabetic retinopathy | 5.1 | 2.1 | 1.1 |
| Corneal opacity | 2.0 | 2.1 | 3.2 |
| Phthisis | 4.0 | 2.5 | 2.5 |
| AMD | 2.0 | 0.4 | 0.1 |
| Other posterior segment diseases | 6.1 | 1.7 | 2.1 |
| All other globe/CNS abnormalities | 0.0 | 0.0 | 0.0 |
| Onchocerciasis | 0.0 | 0.0 | 0.0 |