Epidemiological Characteristics of Inpatients Undergoing Surgery for Glaucoma at Tianjin Eye Hospital from 2013 to 2017

Table 5

Changes in VA after different surgical methods for primary glaucoma.

	Preoperative VA			Postoperative VA			Z
	<0.05	≥0.05 and <0.3	≥0.3	<0.05	≥0.05 and <0.3	≥0.3
PACG
Phaco	189	255	147	79	227	285	−11.5	<0.001
Phaco-trab	331	459	353	177	488	478	−10.3	<0.001
Trab	257	213	334	82	307	415	−11.5	<0.001
LPI	32	19	21	6	10	56	−5.7	<0.001
TSCP	104	13	3	97	16	7	−2.1	0.032
POAG
Phaco-trab	47	101	57	26	64	115	−6.7	<0.001
Trab	17	34	62	11	34	68	−1.9	0.058
TSCP	12	4	0	11	5	0	−0.6	0.564
GDI	2	3	6	2	4	5	−0.4	0.655

VA = visual acuity, PACG = primary angle-closure glaucoma, POAG = primary open-angle glaucoma, Phaco = phacoemulsification, Phaco-trab = phacotrabeculectomy, Trab = trabeculectomy, LPI = laser peripheral iridectomy, TSCP = transscleral diode laser cyclophotocoagulation, and GDI = glaucoma drainage implant.