Nancy Barrett, Varsha Satish, Robert Slater, Thomas Saunders, Rachel Linderman, Barbara Blodi, Amitha Domalpally Abstract Purpose: Ultra-widefield (UWF) color photographs are widely used in clinical practice and clinical trials because they capture the entire retina …
Diabetic Retinopathy
Comparison of Lesion Annotation Across 7-Field and Ultrawide Field Imaging in Diabetic Retinopathy (COLA)
Cole Bacig, Nancy Barrett, Kristi Dohm, Amitha Domalpally, Barbara Blodi Abstract Purpose: The gold standard for diabetic retinopathy (DR) evaluation is the Early Treatment Diabetic Retinopathy Study (ETDRS) 12-step severity scale (DRSS), based on stereoscopic …
Artificial Intelligence (AI) enabled pre-screening for Diabetic Retinopathy (DR) clinical trials
Nancy Barrett, Robert Slater, Rachel E. Linderman, Rick Voland, Claire Calhoun, Jennifer K. Sun, Barbara A. Blodi, Amitha Domalpally, with the DRCR Retina Network Abstract Purpose: Preventive strategies to slow progression of diabetic retinopathy (DR) …
Methodology and Reproducibility of Nonperfusion Area on UWF-FA
Mary Wilda, Rachel Halweg, Cynthia Hurtenbach, Kristi Dohm, Justin Parks, Ruth Shaw, Sheila Watson, Kari Moseman, Rick Voland, Barbara A. Blodi Abstract Purpose: To investigate the reproducibility of nonperfusion area measurements from ultrawide field fluorescein …
Comparison of Standard 7-Field, Clarus, and Optos Ultra-Widefield Imaging Systems for Diabetic Retinopathy Assessment (2023)
Nancy Barrett, Nicole Duncan, Christian Kim, Sheila Watson, Andy Ewen, Lauren Kroth, Rick Voland, Amitha Domalpally, Barbara Blodi Abstract Purpose: Advances in ultrawide-field color (UWF-C) imaging technology have enabled visualization of the entire retina. This …
Artificial Intelligence (AI) enabled pre-screening for Diabetic Retinopathy (DR) clinical trials (2022)
Nancy Barrett, Robert Slater, Roomasa Channa, Barbara Blodi, Amitha Domalpally Abstract Purpose: Preventive therapies to reduce progression of non-proliferative DR (NPDR) to proliferative DR are underway. Clinical trial enrollment criteria typically include a baseline DR …
Comparison of Diabetic Retinopathy Severity Level Assessment Between Standard 7-field Imaging and Ultrawide Field Color Imaging (2019)
Kristi Dohm, Nancy Barrett, Kyle McDaniel, Barbara Blodi, Amitha Domalpally Abstract Purpose: Diabetic retinopathy has traditionally been evaluated using the Early Treatment Diabetic Retinopathy Severity Scale (ETDRS) from 7-field (7F) stereoscopic color photographs and is …
Correlation of peripheral non-perfusion from ultrawide field fluorescein angiography to color ETDRS severity level in eyes with diabetic retinopathy (2019)
Ellie Corkery, Kyle McDaniel, Amitha Domalpally, Barbara Blodi Abstract Purpose: To assess the correlation between peripheral non-perfusion from ultrawide field fluorescein angiography (UWF FA) and Early Treatment Diabetic Retinopathy Severity (ETDRS) level from color fundus …
Correlation of Optical Coherence Tomography Angiography Vascular Density to Color ETDRS Severity Level in Eyes with Diabetic Retinopathy (2018)
Ellie Corkery, Amitha Domalpally, Dawn Myers, Jeong W. Pak, Ralph Trane, Barbara Blodi Abstract Purpose: Diabetic retinopathy severity is evaluated using color fundus photographs (FP) employing the Early Treatment Diabetic Retinopathy Severity (ETDRS) scale. Optical …
Comparison of Foveal Avascular Zone Metrics in Diabetic Retinopathy (2018)
Kimberly Stepien, Ellie Corkery, Sheila Watson, Cynthia Hurtenbach, Ralph Trane, Jeong Won Pak, Amitha Domalpally Abstract Purpose: Foveal avascular zone (FAZ) abnormalities are known in diabetic retinopathy (DR) and may prove useful as a biomarker …
Evaluation of Diabetic Retinopathy from UltraWide Field Color Photographs (2018)
Nancy Barrett, Kristine Lang, Amitha Domalpally, Ellie Corkery, Ralph Trane, Barbara Blodi Abstract Purpose: Diabetic retinopathy (DR) has traditionally been evaluated using Early Treatment Diabetic Retinopathy Study (ETDRS) levels from stereoscopic 7 field color photographs. …
Evaluation of Diabetic Retinopathy Using the ETDRS Severity Scale – Is There a Gold Standard? (2018)
Amitha Domalpally, Ralph Trane, James Reimers, Barbara Blodi Abstract Purpose: The Early Treatment Diabetic Retinopathy Study (ETDRS) study established a 12 step scale to document the severity of diabetic retinopathy (DR) using 7 field stereoscopic …
Reading Center Measurement of Capillary Non-Perfusion Using Ultrawidefield (UWF) Fluorecein Angiography in Two Prospective Clinical Trials of Retinal Vein Occlusion and Diabetic Retinopathy (2017)
Ellie Corkery, Amitha Domalpally, Ruth Shaw, Kelly Warren, Sheila Watson, Barbara Blodi Abstract Purpose: According to the October 2016 Report from the NEI/FDA Diabetic Retinopathy Clinical Trial Design and Endpoints workshop (Investigative Ophthalmology & Visual …
Retinal Vascular Caliber Associations with Diabetic Retinopathy in the DCCT/EDIC Primary Prevention Cohort (2011)
Larry D. Hubbard, Qian Peng, Wanjie Sun, Sapna Gangaputra, Patricia A. Cleary, Charles S. Chandler, Thomas W. Pauli, Ronald P. Danis, and the DCCT/EDIC Study Group Abstract Purpose: To explore associations of retinal arteriolar and …
Comparison of Film and Digital Fundus Photographs in Assessing Diabetic Retinopathy (2010)
Sapna Gangaputra, Ronald Danis, and Talat Almukhtar for the Diabetic Retinopathy Clinical Research Network. Department of Ophthalmology, University of Wisconsin, Madison, WI. Jaeb Center for Health Research, Tampa, FL. Abstract Purpose: To compare grading of …
Green Channel vs. Color Retinal Images for Grading Diabetic Retinopathy in DCCT/EDIC (2010)
James L Reimers, Sapna Gangaputra, Barbara A. Esser, Trina M. Harding, DW Thayer, Qian Peng, Larry D. Hubbard , Ronald P. Danis Abstract Purpose: To compare diabetic retinopathy (DR) severity levels from green channel (GrCh) …
Evaluation of 4 Wide Digital Images for Diabetic Retinopathy (2010)
Trina M. Harding, Sapna Gangaputra, James L. Reimers, Qian Peng, Ronald P. Danis Abstract Purpose: The 4 Wide Angle Fields (4W) Digital fundus imaging protocol is designed to capture approximately the same retinal area as …