1. Bimodal imaging of proliferative diabetic retinopathy vascular features using swept source optical coherence tomography angiography

    Bimodal imaging of proliferative diabetic retinopathy vascular features using swept source optical coherence tomography angiography

    AIM : To categorize neovessels morphology and to detect response to anti-angiogenic therapy by using structural and angiographic modes of swept source optical coherence tomography (SS-OCT). METHODS : Thirty-two eyes with neovessels at disc (NVD) and neovessels elsewhere (NVE) - as diagnosed by fluorescein angiography- were included. Cross sectional OCT images of disc and macular regions were registered to enface OCT angiography (OCTA), B-scan blood flow over lay and density maps. Three eyes received anti-angiogenic treatment. RESULTS : Pin point registration of cross-sectional OCT and OCTA images differentiated active NVD with vascular elements from fibrous or equivalent fibrovascular elements. En face images delineated NVE ...

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