Table 2 Preoperative risk scoring for patients undergoing high‐risk corneal grafts.
| Patient characteristics | Risk score |
|---|---|
| Each previous graft | 1 |
| Each quadrant of stromal vascularisation | 1 |
| Each quadrant of peripheral anterior synechiae | 1 |
| Preoperative glaucoma | 1 |
| Herpes simplex keratitis | 2 |
| Chemical burn | 4 |