Inclusion criteria:
Diagnosis of acute central serous chorioretinopathy before twelve weeks
Diagnosis of acute central serous chorioretinopathy for the first time
Exclusion criteria:
Chronic CSCR (duration of visual symptoms more than 12 weeks)
Recurrent CSCR (patients with a history of one or more previous CSCR attacks)
Choroidal neovascularization (CNV) detected by FA, ICGA, or OCT angiography (OCT-A)
Any treatment for retinal disease (including intravitreal injections, photodynamic therapy, laser photocoagulation, vitrectomy)
History of other retinal disorders (including age-related macular degeneration, choroidal neovascularization, diabetic retinopathy, uveitis, or pathological myopia)
The presence of any other systemic disease for which eplerenone is contraindicated (such as severe renal, cardiac or hepatic failure, pregnancy, baseline serum potassium more than 0.5 mEq/L
simultaneous administration of potassium-sparing diuretics, potassium supplements, inhibitors angiotensin converting enzyme or angiotensin receptor blockers)