1. Topographic Variation of Retinal Vascular Density in Normal Eyes Using Optical Coherence Tomography Angiography

    Topographic Variation of Retinal Vascular Density in Normal Eyes Using Optical Coherence Tomography Angiography

    Purpose: To establish a continuous topography of retinal vessel density in normal eyes using optical coherence tomography angiography (OCTA). Methods: A retrospective chart review was performed, and 8-mm × 8-mm OCTA images from 22 normal eyes were analyzed. Vessel density was plotted as a continuous function of distance from the foveal center (radial vessel density) and directional meridians (directional vessel density) for the superficial capillary plexus and deep capillary plexus. Results: Continuous radial and directional vessel density plots for the superficial and deep capillary plexus were generated. Radial vessel density analysis revealed transition points at 657 microns (95% confidence interval [CI ...

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