Fig. 3From: Long-term outcomes of two first-generation trabecular micro-bypass stents (iStent) with phacoemulsification in primary open-angle glaucoma: eight-year resultsChange in the number of glaucoma medications throughout eight years postoperative. * Denotes statistical significance at P < 0.05 and the error bars represent 95% confidence intervals. Mean ± Standard deviations are presentedBack to article page