Table 4 Characteristics of failures.
| Type of glaucoma | Age (years) | Previous glaucoma surgeries | Time of failure (months) | Reason for failure |
|---|---|---|---|---|
| Congenital | 1.2 | 2× goniotomy | 51 | IOP >21 mm Hg |
| Congenital | 0.5 | 2× goniotomy | 9 | IOP >21 mm Hg |
| Congenital | 1.8 | 1× trabeculectomy | 56 | IOP >21 mm Hg |
| 1× deep sclerectomy | ||||
| Congenital | 0.3 | 2× goniotomy | 45 | IOP >21 mm Hg |
| Congenital | 0.7 | 1× goniotomy | 25 | IOP >21 mm Hg |
| Congenital | 0.7 | 1× goniotomy | 25 | IOP >21 mm Hg |
| Congenital | 3.0 | 2× trabeculectomy | 36 | Hypotony |
| Aphakia | 5.0 | none | 2 | Hypotony |
| Aphakia | 10.8 | none | 9 | Hypotony |
| PHPV | 2.0 | 1× goniotomy | 53 | IOP >21 mm Hg |
| Uveitic | 8.4 | none | 60 | IOP >21 mm Hg |
PHPV, persistent hyperplastic primary vitreous.