Longitudinal progression of retinal nonperfusion in clinically stable diabetic retinopathy.
PURPOSE To longitudinally assess and quantify changes in retinal nonperfusion (NP) in clinically stable diabetic retinopathy (DR) using ultra-widefield fluorescein angiography (UWF-FA) and optical coherence tomography angiography (OCTA). METHODS Fifty-one eyes from thirty-three patients were followed for a mean of 15...