1. Diabetic Choroidopathy: Choroidal Vascular Density and Volume in Diabetic Retinopathy with Swept-Source Optical Coherence Tomography

    Diabetic Choroidopathy: Choroidal Vascular Density and Volume in Diabetic Retinopathy with Swept-Source Optical Coherence Tomography

    Purpose To compare choroidal vascular density (CVD) and volume (CVV) in diabetic eyes and controls, using en face swept-source optical coherence tomography (SS-OCT). Design Prospective cross-sectional study. Methods ▪▪▪ Setting Multicenter Patient Population 143 diabetic eyes – 27 with no diabetic retinopathy (DR), 47 with nonproliferative DR (NPDR), 51 with NPDR and diabetic macular edema (DME), and 18 with proliferative DR (PDR), and 64 age-matched non-diabetic control eyes. Observation procedures Complete ophthalmologic examination and SS-OCT imaging. En face SS-OCT images of the choroidal vasculature were binarized. Main outcome measures CVD, calculated as the percent area occupied by choroidal vessels in the central ...

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