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Causes of poor visual outcome in eyes with a functional visual acuity of <6/60 (n=90)
| Cause | Details | No |
| Selection | Serious pre-existing eye disease | 12 |
| Operation | Cystoid macula oedema | 3 |
| Refraction | Significant refractive error | 68 |
| Follow up | Thick posterior capsule | 11 |
| 94* |
*Total more than 90 as some eyes had more than one cause for a poor outcome.
