Nonperfusion Area and Other Vascular Metrics by Wider Field Swept-Source OCT Angiography as Biomarkers of Diabetic Retinopathy Severity oleh Itika Garg, MD, Chibuike Uwakwe, Rongrong Le, MD, PhD, Edward S. Lu, BA, Ying Cui, MD, Karen M. Wai, MD, Raviv Katz, MS, Ying Zhu, MD, Jade Y. Moon, BA, Chloe Y. Li, MD, Inês Laíns, MD, PhD, Dean Eliott, MD, Tobias Elze, PhD, Leo A. Kim, MD, PhD, David M. Wu, MD, PhD, Joan W. Miller, MD, Deeba Husain, MD, Demetrios G. Vavvas, MD, PhD, John B. Miller, MD