1. Widefield Optical Coherence Tomography Angiography in Diabetic Retinopathy

    Widefield Optical Coherence Tomography Angiography in Diabetic Retinopathy

    Purpose . To summarize the role of widefield optical coherence tomography angiography (WF-OCTA) in diabetic retinopathy (DR), extending from the acquisition strategies to the main clinical findings. Methods . A PubMed-based search was carried out using the terms “Diabetic retinopathy”, “optical coherence tomography angiography”, “widefield imaging”, and “ultra-widefield imaging”. All studies published in English up to August 2020 were reviewed. Results . WF-OCTA can be obtained with different approaches, offering advantages over traditional imaging in the study of nonperfusion areas (NPAs) and neovascularization (NV). Quantitative estimates and topographic distribution of NPA and NV are useful for treatment monitoring and artificial intelligence-based approaches. Curvature ...

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