1. Optical coherence tomography angiography findings in diabetic retinopathy

    Optical coherence tomography angiography findings in diabetic retinopathy

    Introduction : Diabetic retinopathy (DR) is a common complication of diabetes and a leading cause of blindness in working age population. Fluorescein angiography is still the gold standard in the evaluation of retinal vascular perfusion and diagnosis of macular ischemia. However, it is a costly, time-consuming procedure and it requires intravenous injection of contrast agent, exposing patients to potential side effects. Optical coherence tomography angiography (OCTA) is a novel, non-invasive imaging technique that provides dyeless visualization of blood flow in different retinal layers. Areas covered : An extensive review of the literature was performed to detail technical principles of OCTA and to ...

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