Table 4.

Mean best corrected visual acuity (logMAR) in both groups at all follow-up time intervals (mean ± SD)

Follow-up time	New technique (n = 38, mm Hg)	Traditional (n = 41, mm Hg)	P*
Preoperative	1.82 ± 1.25	2.24 ± 1.11	0.107
Postoperative 1 day	1.89 ± 1.22	2.30 ± 1.09	0.124
Postoperative 1 week	1.87 ± 1.21	2.18 ± 1.18	0.225
Postoperative 1 month	1.79 ± 1.25	2.12 ± 1.17	0.177
Postoperative 3 months	1.79 ± 1.25	2.10 ± 1.19	0.228
Postoperative 6 months	1.91 ± 1.35	2.09 ± 1.20	0.386
Postoperative 12 months	2.04 ± 1.21	2.11 ± 1.26	0.745
Postoperative 18 months	2.06 ± 1.24	2.02 ± 1.26	0.991
Postoperative 24 months	1.86 ± 0.91	2.28 ± 1.25	0.398
Postoperative 30 months	1.77 ± 0.92	2.62 ± 0.86	0.141

*Mann–Whitney U test.

Abbreviations: IOP introcular pressure, SD standard deviation.