Table 3.

Pre-operative and post-operative anterior chamber depth (ACD) in the three treatment groups (mm)

	Group A (36 eyes)	Group B (45 eyes)	Group C (31 eyes)	F	P
Pre-operative	1.81 ± 0.15	1.79 ± 0.12	1.75 ± 0.13	1.741	0.180
Post-operative	3.14 ± 0.23	3.11 ± 0.28	3.25 ± 0.29	2.631	0.078
t	29.06	29.07	26.28	-	-
P	< 0.001	< 0.001	< 0.001	-	-

Group A, angle closure < 180°, treated with phacoemulsification and intraocular lens implantation; group B, angle closurerange, 180°~270°, treated with phacoemulsification and intraocular lens implantation combined with goniosynechialysis; group C, angle closure > 270°, treated with phacoemulsification and intraocular lens implantation combined withtrabeculectomy.