Vascular Abnormalities In Diabetic Retinopathy Assessed With SWEPT-SOURCE Optical Coherence Tomography Angiography Widefield Imaging
Purpose: To detect vascular abnormalities in diabetic retinopathy using swept-source optical coherence tomography angiography (SS-OCTA) widefield images, and to compare the findings with color fundus photographs (CFPs) using Early Treatment Diabetic Retinopathy Study severity grading. Methods: 3 mm × 3 mm and 12 mm × 12 mm scans were acquired to cover 70° to 80° of the posterior pole using a 100-kHz SS-OCTA instrument. Two masked graders assessed the presence of vascular abnormalities on SS-OCTA and the Early Treatment Diabetic Retinopathy Study level on CFP. The grading results were then compared. Results: A total of 120 diabetic eyes (60 patients) were imaged ...
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