Fig. 1From: Long-term outcomes of two first-generation trabecular micro-bypass stents (iStent) with phacoemulsification in primary open-angle glaucoma: eight-year resultsChange in intraocular pressure 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