Fig. 4
From: Postoperative amblyopia in children with congenital cataracts: a systematic review and meta-analysis
Forest plot of the pooled proportion of amblyopia following IOL implantation for the subgroups: A Primary implantation versus secondary implantation; B Subgroup categorized by IOL implantation timing: Before 12 weeks, 12 weeks-12 months, and after 12 months. Subgroup analyses are presented with effect sizes (proportions), 95% confidence intervals (CI), and heterogeneity metrics (I2 statistic and P-value). CI = confidence interval; DL = DerSimonian-Laird random-effects model