1. Quantitative Evaluation of Vascular Density inDiabetic Retinopathy Subtypes using Optical Coherence Tomography Angiography

    Quantitative Evaluation of Vascular Density inDiabetic Retinopathy Subtypes using Optical Coherence Tomography Angiography

    Background: To determine the discrepancy between quantitative measurement of retinal and choriocapillaris (CC) vascular density (VD) in diabetic retinopathy (DR) stages using spectral domain optical coherence tomography angiography (SD OCTA) and compare it with normal subjects. Methods: 188 eyes of 97 participants were recruited in this cross-sectional study. Macular OCTA (3x3mm) scan was performed and VD at the level of superficial capillary plexus (SCP), deep capillary plexus (DCP) and CC were measured with the device software. Results: In normal subjects, VD in SCP, DCP, and CC were higher in all subsegments. In retinal VD, all calculated parameters were reduced in ...

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