Events occurring during surgery (n=18 472 patients)
| Event | Frequency No (%) |
|---|---|
| Anterior chamber haemorrhage | 85 (0.5) |
| Anterior chamber collapse | 98 (0.5) |
| Torn iris | 76 (0.4) |
| Iris emulsification | 63 (0.3) |
| Persistent iris prolapse | 136 (0.07) |
| Choroidal haemorrhage | 13 (0.1) |
| Capsule rupture and vitreous loss | 818 (4.4) |
| Incomplete cortical clean up | 192 (1.0) |
| Loss of nuclear fragment into vitreous | 51 (0.3) |
| Loss of intraocular lens into vitreous | 11 (0.16) |
| Torn Descemet's membrane | 21 (0.1) |
| Abnormality in wound closure | 26 (0.1) |
| Any of the above events | 1 388 (7.5) |