PURPOSE: To evaluate the safety and efficacy of endoscopic cyclophotocoagulation (ECP) in the treatment of refractory glaucomas. METHODS: The preoperative and postoperative courses of 539 eyes of 539 patients with refractory glaucoma who underwent ECP and had a minimum 5 years follow-up were retrospectively reviewed. All procedures were performed by a single surgeon (FEL). Eyes that were included had undergone at least one incisional glaucoma surgery and had intraocular pressure (IOP) equal to or above 35 mmHg on maximum tolerated […]