Fig. 1

Intraocular pressure (IOP) and medication score prior to surgery and during the postoperative follow-up period in Groups I and II. Friedman’s test: P < 0.01. IOP reduction was statistically significant at each time point. ^*P < 0.05 vs. preoperative for the first GDI group, ^**P < 0.05 vs. preoperative for the second GDI group