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To investigate the risk of rhegmatogenous retinal detachment (RRD) after central serous chorioretinopathy (CSCR).The study included 2,830 patients with CSCR and 16,980 control patients matched using a propensity score for age, sex, and comorbidities including status after cataract operation, blunt trauma, myopia, diabetes mellitus, hypertension, and hyperlipidemia from January 2001 through December 2010 from the Taiwan Longitudinal Health Insurance Database 2000. Information of each patient was collected until December 2011. Cox proportional hazard regression analysis was used to obtain the adjusted hazard ratio for RRD. The RRD-free survival rate was calculated using Kaplan–Meier analysis.Thirty-five patients with CSCR (1.24%) and 27 controls (0.16%) had RRD (P < 0.0001) during follow-up, resulting in a significantly higher risk of RRD in the patients with CSCR (incidence rate ratio = 7.83, 95% confidence interval = 4.74–12.93). After adjustment for potential confounders, the adjusted hazard ratio for developing RRD was increased 7.85 times in the cohort of total sample (adjusted hazard ratio = 7.85, 95% confidence interval = 4.75–12.97).It was found that CSCR increased the risk of RRD even after adjustment for age, sex, and comorbidities including status after cataract operation, blunt trauma, myopia, diabetes mellitus, hypertension, and hyperlipidemia.