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The number of eyes that underwent additional procedures during penetrating keratoplasty.
| Group 1 | Group 2 | Group 3 | |
|---|---|---|---|
| Anterior vitrectomy | 0 | 3 | 2 |
| Synechiolysis | 0 | 4 | 6 |
| Pupilloplasty | 0 | 1 | 2 |
| Cataract surgery | 2 | 0 | 9 |
| Intraocular lens exchange | 0 | 3 | 1 |
| Intraocular lens extraction | 0 | 3 | 1 |
