1. Analysis of Retinal Nonperfusion Using Depth-Integrated Optical Coherence Tomography Images in Eyes with Branch Retinal Vein Occlusion

    Analysis of Retinal Nonperfusion Using Depth-Integrated Optical Coherence Tomography Images in Eyes with Branch Retinal Vein Occlusion

    PURPOSE: To assess the morphology of areas of complete retinal nonperfusion in eyes with branch retinal vein occlusion (BRVO) by enface images of optical coherence tomography (OCT). METHODS: Forty-six eyes with BRVO which underwent swept-source OCT (SS-OCT) and fluorescein angiography were enrolled. Depth-integrated images of the neural retina delineated by automated segmentation algorithm were obtained using SS-OCT. The findings in a 6 x 6-mm area on enface SS-OCT scans at the area of retinal nonperfusion were evaluated. RESULTS: Retinal nonperfusion was detected in twenty-five eyes. Of these, twenty (80%) eyes had multiple concaves of low reflectivity within an area of ...

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