Early and late complications after trabeculectomy and viscocanalostomy
| Trabeculectomy | Viscocanalostomy | |
|---|---|---|
| Early complications | ||
| Transient bleb leak | 5 (20%) | 0 |
| Transient hyphaemia | 7 (28%) | 2 (9%) |
| Transient anterior chamber shallowing | 5 (20%) | 1 (4%) |
| Injected blebs | 3 (12%) | 4 (17%) |
| Encysted blebs | 4 (16%) | 3 (13%) |
| Transient overlarge blebs | 2 (8%) | 3 (13%) |
| IOP spike | 0 | 1 (4%) |
| Peripheral anterior synechiae | 1 (4%) | 1 (4%) |
| Posterior synechiae | 3 (12%) | 0 |
| Late complications | ||
| Cystic area within blebs | 8 (32%) | 1 (4%) |
| Overlarge/overhanging blebs | 0 | 0 |
| Hypotony (IOP <8 mm Hg) | 0 | 0 |
| Late bleb leak | 1 (4%) | 0 |
| Cataract | 5 (20%) | 0 |