1. Early microvascular changes in patients with prediabetes evaluated by optical coherence tomography angiography

    Early microvascular changes in patients   with prediabetes evaluated by optical   coherence tomography angiography

    Background: Timely detection of early microvascular changes in patients with prediabetes could help reduce the likelihood of progression of diabetes-related retinal complications. Aim: To determine early microvascular changes in patients with prediabetes using optical coherence tomography angiography (OCT-A). Methods: In this single-center retrospective case-control study, macular OCT-A images of superficial capillary plexus (SCP) and deep capillary plexus (DCP) were analyzed in non- diabetic controls, and prediabetic and diabetic subjects. A quantitative analysis was performed using ImageJ software of the foveal avascular zone (FAZ) area, acircularity index (AI), perfusion density (PD), and vascular length density (VLD). Results: A total of 94 ...

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