Blodi, B., A. Domalpally, A. Tjaden, N. Barrett, E. Chew, W. Knowler, C. Lee, X. Pi-Sunyer, A. Wallia, N. White, and M. Temprosa. Comparison of ETDRS 7-Field to 4-Widefield Digital Imaging in the Evaluation of Diabetic Retinopathy Severity. Transl Vis Sci Technol, 2022, p. Epub PubMed Text.
Abstract
Purpose: To compare Early Treatment Diabetic Retinopathy Study (ETDRS) severity levels between two digital fundus imaging protocols for research studies of diabetic retinopathy: the gold standard 7-field (7F) imaging and the more recent 4-widefield (4W) imaging.