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Calculated means for reduction IOP at 1 day (2.A), 1 week (2.B), 1 month (2.C), 6 months (2.D), 1 year (2.E), 3 years (2.F) and 5 years (2.G) follow-up.
Notes: Black diamonds indicate the overall weighted mean difference (WMD). The size of the green box is inversely proportional to the variance. Horizontal lines indicate 95% confidence interval (CI). The solid vertical line in each panel shows the value for no difference (WMD = 0).
Abbreviation: IOP, intraocular pressure.
