Inclusion Criteria:  age older than 30 years diagnosis of central serous chorioretinopathy treatment-naïve with half-fluence photodynamic therapy or oral eplerenone absence of vitreoretinal and vascular retinal diseases  Exclusion Criteria:  age younger than 30 years absence of diagnosis of central serous chorioretinopathy previous treatment with half-fluence photodynamic therapy or oral eplerenone presence of concomitant vitreoretinal and vascular retinal diseases