1. Retinal microvascular alterations related to diabetes assessed by optical coherence tomography angiography: A cross-sectional analysis

    Retinal microvascular alterations related to diabetes assessed by optical coherence tomography angiography: A cross-sectional analysis

    Abstract: Fluorescein angiography has been so far the gold-standard test to assess diabetic macular ischemia (DMI), a cause of irreversible visual impairment in diabetic patients. The aim of this study was to investigate foveal avascular zone (FAZ) and perifoveal microcirculation changes in eyes with nonproliferative diabetic retinopathy (NPDR) using optical coherence tomography angiography (OCTA), a new and noninvasive vascular imaging technique. Cross-sectional study including eyes of diabetic patients with NPDR. All patients underwent medical history, best-corrected visual acuity (BCVA) measurement, slit-lamp and fundus examination, multicolor imaging, SD-OCT, and swept-source OCT. OCTA was performed in order to assess macular superficial and ...

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