Table 3.

 Early and late complications after trabeculectomy and viscocanalostomy

	Trabeculectomy	Viscocanalostomy
Early complications
Transient Bleb Leak	4 (16%)	1 (4%)
Transient hyphaemia	11 (44%)	7 (30%)
Transient anterior chamber shallowing	8 (32%)	2 (9%)
Injected blebs	6 (24%)	4 (17%)
Encysted blebs	7 (28%)	1 (4%)
Transient overlarge blebs	1 (4%)	1 (4%)
IOP spike	0	0
Peripheral anterior synechiae	1 (4%)	1 (4%)
Intracorneal haemorrhage	0	1 (4%)
Late complications
Cystic blebs	1 (4%)	0
Overlarge/overhanging blebs	0	0
Hypotony (IOP<6 mm g)	0	0
Late bleb leak	0	0
Patients requiring cataract surgery	3 (12%)	3 (13%)