Introduction: Central serous chorioretinopathy (CSC) is an idiopathic syndrome characterized by neurosensory detachments of the retina. Development of chronic CSC is an indication to treat, and ICGA-guided verteporfin photodynamic therapy has been shown to be very effective. Our objective was to evaluate the 13-year follow-up of chronic CSC patients treated with standard-fluence PDT and to explore the long-te...