Original disorder for which penetrating keratoplasty was performed
| Indication | Mitomycin C (+) (26 eyes) | Mitomycin C (−) (8 eyes) |
| Bullous keratopathy | 10 | 4 |
| Congenital corneal opacity | 3 | 0 |
| Perforative ulcer | 4 | 0 |
| Chemical burn | 3 | 1 |
| Leucoma | 2 | 2 |
| Keratoconus | 2 | 0 |
| Ocular cicatricial pemphigoid | 1 | 1 |
| Lattice dystrophy | 1 | 0 |