Outcomes of Anterior Chamber, Sulcus, and Pars Plana Glaucoma Drainage Device Placement in Glaucoma Patients

Table 9

Causes for >1 line decrease in VA.

	n (%)
	Total	AC	S	PP
CME	3	1 (2.5)	1 (2.5)	1 (2.5)
PCO	2	0 (0.0)	2 (5.0)	0 (0.0)
Macular degeneration	2	1 (2.5)	0 (0.0)	1 (2.5)
Corneal graft failing	2	0 (0.0)	0 (0.0)	2 (5.0)
Blau syndrome	1	0 (0.0)	0 (0.0)	1 (2.5)
Corneal edema	1	0 (0.0)	0 (0.0)	1 (2.5)
Postoperative hemorrhagic choroidal detachment	1	0 (0.0)	0 (0.0)	1 (2.5)
Wet AMD	1	1 (2.5)	0 (0.0)	0 (0.0)
RVO	1	1 (2.5)	0 (0.0)	0 (0.0)
Vitreous hemorrhage from open globe	1	1 (2.5)	0 (0.0)	0 (0.0)
Poorly controlled IOP	1	1 (2.5)	0 (0.0)	0 (0.0)
Total		6	3	7
value^a	0.3916

VA = visual acuity; n = number of eyes; AC = anterior chamber; S = sulcus; PP = pars plana; CME = cystoid macular edema; PCO = posterior capsular opacification; AMD = age-related macular degeneration; RVO = retinal vein occlusion; IOP = intraocular pressure. ^aThe proportion of eyes with VA loss across the 3 treatment groups was compared using a three-sample test for equality of proportions.