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Pre-existing eye disease by type of operation
| ECCE with IOL (n=31) | Phaco with IOL (n=39) | ECCE only (n=91) | Phaco only (n=20) | Total | |
| Corneal opacity | 1 | 1 | 7 | 1 | 10 |
| Glaucoma | 0 | 1 | 3 | 0 | 4 |
| Branch vein occlusion | 0 | 0 | 1 | 0 | 1 |
| Squint/amblyopia | 0 | 0 | 1 | 0 | 1 |
| Trichiasis | 0 | 0 | 1 | 0 | 1 |
| Pterygium | 1 | 0 | 0 | 0 | 1 |
| Diabetic retinopathy | 1 | 0 | 0 | 0 | 1 |
| Retinal detachment | 0 | 2 | 0 | 0 | 2 |
| Macular degeneration | 0 | 0 | 0 | 1 | 1 |
| Trachoma | 0 | 0 | 0 | 1 | 1 |
| Total | 3 (9.7%) | 4 (10.3%) | 13 (14%) | 3 (15%) | 23 (12.7%) |
