Abstract
Purpose: To evaluate central serous chorioretinopathy (CSCR) by means of optical coherence tomography (OCT) and multifocal electroretinogram (mf-ERG) at presentation and after resolution of the acute phase. Design: Prospective comparative observational case series with a normal sample. Patients and Method: Twenty-one eyes of 21 patients with unilateral CSCR were examined. Both eyes underwent complete ophthalmological examination, which included measurement of best-corrected visual acuity, fluorescein angiography, OCT and mf-ERG recording. Our results were compared with the corresponding findings of 33 normal volunteers of the same age. Results: At presentation, the averaged mean retinal thickness of the fovea, measured by OCT, was 303 µm in the affected eyes, 69.3% higher compared to the normal controls (p < 0.001). The averaged mean retinal response density of the mf-ERG of the affected eyes in area 1 was 11.29 nV/degree2, 50.8% lower compared to the normal controls (p < 0.001). After regression of CSCR, the averaged mean retinal thickness of the fovea was 213 µm in the affected eyes, 19.3% greater compared to the normal controls (p < 0.001). The averaged mean retinal response density of the mf-ERG of the affected eyes in area 1 was 16.05 nV/degree2, 30.1% lower compared to normal controls (p < 0.001). It is interesting that 6 of 21 fellow nonaffected eyes showed abnormal values, with an averaged mean retinal thickness of OCT (246 µm) and an averaged mean retinal response density of mf-ERG in area 1 (12 µV/degree2). In the remaining 15 eyes, the OCT and the mf-ERG values were within normal limits.