Success rates of three types of surgery for primary congenital glaucoma over time
| Period | Goniotomy | Trabeculotomy | CTTM* | |||
|---|---|---|---|---|---|---|
| No | Success (%) | No | Success (%) | No | Success (%) | |
| *CTTM = combined trabeculotomy-trabeculectomy with mitomycin C. | ||||||
| 1982–90 | 170 | 71 (42) | 236 | 68 (29) | - | |
| 1991–4 | 59 | 40 (67) | 129 | 61 (47) | 29 | 25 (86) |
| 1995–2002 | 25 | 20 (80) | 53 | 44 (82) | 119 | 86 (72) |
| Total | 254 | 131 (52) | 418 | 173 (41) | 148 | 111 (75) |