1. Comparison of 24×20 mm2 swept-source OCTA and fluorescein angiography for the evaluation of lesions in diabetic retinopathy

    Comparison of 24×20 mm2 swept-source OCTA and fluorescein angiography for the evaluation of lesions in diabetic retinopathy

    Aim: To compare ultra-widefield (24×20 mm 2 ) swept-source optical coherence tomography angiography (SS-OCTA) and fluorescein angiography (FA) in the evaluation of diabetic retinopathy (DR) lesions. Methods: Forty-six eyes of 23 patients with treatment-naïve DR were included at Peking University People's Hospital from September 1, 2021, until December 31, 2021, as well as 23 age and gender matched healthy controls. Quantitative assessments of DR lesions on FA and SS-OCTA (superficial capillary plexus, SCP, 24×20 mm 2 ) were performed. Results: Area of fovea avascular zone (FAZ) was larger in DR cases than controls (0.34±0.069 mm ...

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