1. PATTERNS OF CHORIOCAPILLARIS FLOW SIGNAL VOIDS IN CENTRAL SEROUS CHORIORETINOPATHY: An Optical Coherence Tomography Angiography Study

    PATTERNS OF CHORIOCAPILLARIS FLOW SIGNAL VOIDS IN CENTRAL SEROUS CHORIORETINOPATHY: An Optical Coherence Tomography Angiography Study

    Purpose: To investigate choriocapillaris flow signal void distribution on optical coherence tomography (OCT) angiography in central serous chorioretinopathy (CSCR) and its correlation to choroidal vessel morphology. Methods: Fifty-three CSCR eyes (48 patients) and 34 healthy control eyes were included, retrospectively. Exclusion criteria were refractive error >2D, previous laser or photodynamic therapy, low-quality OCT angiography, or excessive shadowing artifacts. Choriocapillaris OCT angiography scans were processed by local-threshold binarization to identify signal voids, and extract their cumulative area. The locations of the two largest voids in each eye were reported on the corresponding enhanced depth imaging OCT raster scan. Choriocapillaris thickness and ...

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