Distribution of visual acuity before corneal transplantation and at last follow up for all cases considered together
| Visual acuity | Preoperative | Last follow up | |||||
|---|---|---|---|---|---|---|---|
| No | (%) | No | (%) | ||||
| ⩾6/18 | 27 | (1.7) | 447 | (28.0) | |||
| <6/18–6/36 | 99 | (6.2) | 246 | (15.4) | |||
| <6/36–6/60 | 108 | (6.8) | 129 | (8.1) | |||
| <6/60–3/60 | 82 | (5.1) | 107 | (6.7) | |||
| <3/60 | 1277 | (80.2) | 668 | (41.8) | |||
| Total | 1593 | (100.0) | 1597 | (100.0) | |||
↵Totals do not add up to 1725 because preoperative visual acuity could not be assessed in 106 children and was not available for 26 patients, and visual acuity at last follow up could not be assessed in 89 children and was not available for 39 patients.