Topographic Assessment of Retinal Pigment Epithelium Detachment in Central Serous Chorioretinopathy by Three-dimensional Optical Coherence Tomography Single-layer Retinal Pigment Epithelium Map
Overview
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Purpose: This study aims to compare the topographic distribution of retinal pigment epithelium detachment (PED) in central serous chorioretinopathy (CSC) on spectral domain optical coherence tomography (SD-OCT) single-layer retinal pigment epithelium (SL-RPE) map and fluorescein angiography for the first time.
Methods: Twenty-seven eyes of CSC with PEDs were studied retrospectively. Topographic distribution of PEDs was documented on 50° fluorescein angiography and SD-OCT SL-RPE map on macular cube 512 × 128.
Results: Quantity of PEDs ranged from 1 to 5 on SD-OCT SL-RPE map macular cube 512 × 128 and corresponding macular cube area on 50° fluorescein angiography. Topographic distribution of PEDs on SL-RPE map matched with PEDs on fluorescein angiography in the corresponding macular cube area, in all the cases (interobserver correlation = 0.9).
Conclusion: SD-OCT SL-RPE map is a noninvasive, three-dimensional advanced tool for documentation of topographic assessment of PEDs and obviates the need of fluorescein angiography for monitoring CSC.