Comparison of intraocular pressure andvault after implantation of implantable collamer lens with and without a central hole

Table 2 Intraocular pressure (IOP) before and after the implantation of v4b and v4c ICL (X ± SD)

IOP(mmHg)	V4b	P₁	V4c	P₂	Z	P₃
Pre	14.3 ± 1.8		14.5 ± 1.8		-1.271	0.204
6h	19.6 ± 3.4	0.000	21.1 ± 3.5	0.000	-2.329	0.020*
1d	18.2 ± 2.0	0.000	19.7 ± 2.9	0.000	-2.273	0.023*
3d	16.1 ± 2.4	0.003	16.7 ± 1.9	0.001	-0.958	0.338
1w	16.0 ± 1.7	0.003	15.6 ± 2.0	0.032	-0.779	0.436
2w	18.1 ± 2.2	0.000	18.0 ± 2.3	0.000	-0.417	0.676
1m	14.6 ± 1.7	0.399	15.7 ± 1.4	0.014	-1.901	0.057
3m	16.1 ± 2.2	0.001	15.6 ± 2.1	0.074	-0.520	0.603
6m	15.7 ± 2.4	0.009	16.0 ± 2.2	0.009	-0.422	0.673

P₁: p value between preoperative intraocular pressure and postoperative intraocular pressure at different follow-up visits in V4b group
P₂: p value between preoperative intraocular pressure and postoperative intraocular pressure at different follow-up visits in V4c group
P₃: p value of intraocular pressure between V4b group and V4c group at different time points, *p <0.05

ISSN: 1471-2415