Fig. 2From: Prospective 12-month outcomes of combined iStent inject implantation and phacoemulsification in Asian eyes with normal tension glaucomaPostoperative change in mean number of anti-glaucoma medications. *Denotes statistical significance at P < 0.05, and the error bars represent 95% confidence intervals. Pre, preoperative; POD =, postoperative day; POW =, postoperative week; POM, postoperative month; POY, postoperative yearBack to article page