Table 2. Frequency and management of postoperative complications.

	N	%	Management
Early complications
Hypotony	12	26.1
With only shallow anterior chamber	9	19.6	Observation
With hyphema	1	2.2	Observation
With hypotony maculopathy	2	4.3	Observation
Late complications
Cataract progression	25	65.8a	Phaco+IOL (in 23 eyes)
Partial occlusion with iris	2	4.3	Tube revision (in 1 eye)
Tube exposure	1	2.2	Tube revision
Second exposure with endophthalmitis			Tube removal
Encapsulated cystic bleb formation	1	2.2	Capsulectomy
Mild, persistent corneal edema	1	2.2	Observation

Abbreviations: IOL, intraocular lens implantation; Phaco, phacoemulcification.

^aReferring the ratio in preoperatively phakic eyes (N=38).