Characteristics of patients and preoperative diagnosis
| Number of patients | 60 |
| Number of eyes | 65 |
| Mean (SD) age (years) | 49.9 (21.2) |
| Male:female | 35:25 |
| Mean (SD) follow up (months) | 21.8 (9.2) |
| Median | 28.0 |
| Preoperative diagnosis | |
| Neovascular glaucoma | 22 (33.8%) |
| Primary open angle glaucoma with multiple surgical procedures | 12 (18.5%) |
| Congenital glaucoma | 9 (13.8%) |
| Chronic angle closure glaucoma with multiple surgical procedures | 6 (9.2%) |
| Epithelial ingrowth | 4 (6.2%) |
| Chronic angle closure glaucoma with penetrating keratoplasty | 3 (4.6%) |
| Juvenile open angle glaucoma | 3 (4.6%) |
| Traumatic glaucoma | 2 (3.1%) |
| Uveitic glaucoma | 2 (3.1%) |
| Iridocorneal endothelial syndrome | 1 (1.5%) |
| Aniridia | 1 (1.6%) |