Figure 1From: Pre-operative intraocular pressure does not influence outcome of trabeculectomy surgery: a retrospective cohort studyDistribution of Intraocular Pressure (IOP), at baseline and follow-up. Baseline IOP for each patient calculated from average of two pre-operative intraocular pressure readings. Mean of these individual readings used as Baseline IOP. Data are presented as mean ± standard error of the mean.Back to article page