Jeong W. Pak, Amitha Domalpally, Dawn Myers, Xiufen Yang, Ashwini Narkar, Yijun Huang, and Ronald P. Danis Abstract Purpose: To characterize drusen morphology and retinal layer abnormalities by simple, ordinal description and to associate these …
Research & Updates
Index of Non-Circularity of Areas of Geographic Atrophy (GA) is Related to Progression Rate (2012)
Ronald P. Danis, Amitha Domalpally, Larry D. Hubbard, Ashwini Narkar, James White, Emily Chew, Traci Clemons Abstract Purpose: We evaluated a parameter based upon an indirect measure of the extent to which the shape of …
Features Associated with Geographic Atrophy from Autofluorescence Images (2012)
Amitha Domalpally, Ronald P Danis, Ashwini Narkar, Barbara A. Blodi, Emily Chew, Traci Clemons Abstract Purpose: To evaluate the features associated with progression of Geographic Atrophy (GA) from Autofluorescence (AF) images. Methods: AF images (from …
Standardizing Retinal Thickness Measurements Across Spectral Domain Optical Coherence Tomography (SDOCT) Machines – 5 Point Measurement Method (2011)
Dawn Myers, Amitha Domalpally, Jill C. Kubiak, Qian Peng, Ronald P. Danis Abstract Purpose: The outer boundary line (BL) location differs among SDOCT vendors making it difficult to compare retinal thickness data in clinical trials. …
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 …
The Reproducibility and Sensitivity of Monochrome Images for the Evaluation of Diabetic Macular Edema in the DCCT/EDIC Study (2011)
James L. Reimers, Sapna Gangaputra, Barbara Esser, Trina M. Harding, Qian Peng, Ronald P. Danis, Larry D. Hubbard, and the DCCT/EDIC Study Group Abstract Purpose: To evaluate diabetic macular edema (DME) levels from green channel …
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) …
Morphological Assessment of Fundus Color Images for the Multicenter Uveitis Steroid Treatment (MUST) Trial (2010)
Susan Reed, Sapna Gangaputra, Amitha Domalpally, Qian Peng, Michael Altaweel, and the Multicenter Uveitis Steroid Treatment (MUST) Trial Research Group Abstract Purpose: To describe the uveitis grading program and report the reproducibility of evaluation procedures …
Association of Outer Retinal Layer Morphology with Visual Acuity in Patients with Macular Edema Secondary to Retinal Vein Occlusion – A SCORE Study Ancillary Study (2010)
Amitha Domalpally, Qian Daisy Peng, Ronald P Danis, Barbara Blodi, Ingrid U Scott, Michael Ip, and SCORE Study Research Group Abstract Purpose: To evaluate the relationship between outer retinal morphology assessed by optical coherence tomography …
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 …
Evaluation of Precursors of Geographic Atrophy associated with Age-Related MMacular Degeneration (AMD) in the Age-Related Eye Disease Study 2 (AREDS2) (2010)
Jane R. Armstrong, James White, Amitha Domalpally, Ronald P. Danis, Barbara Blodi, Qian Peng, Michael L. Klein, AREDS2 Research Group. Abstract Purpose: To assess retinal precursors of Geographic atrophy (GA) in digital images from the …
Reproducibilty of Classification by AREDS Severity Scale and Component Features in AREDS2 (2009)
Ronald P. Danis, Jane Armstrong, Qian Peng, Amitha Domalpally, Larry Hubbard, and the AREDS2 Research Group Abstract Purpose: The 11-step AREDS Severity Scale for age related macular degeneration (AMD) cross tabulates macular features from stereoscopic …
Rationale and Transition from Multistep Grading to Single Step Grading of Retinal Images at a Reading Center (2009)
Qian Peng, Ronald P. Danis, Amitha Domalpally, Larry Hubbard, Jane Armstrong, and the AREDS2 Research Group Abstract Purpose: In the Age-Related Eye Disease Study 2 (AREDS2), a large multicenter clinical trial of nutritional supplements on …
Calcified Drusen as a Baseline Risk Factor for Progression to Advanced Age-Related Macular Degeneration from the Age-Related Eye Disease Study (2006)
Jane Armstrong, Ronald Danis, Matthew D. Davis , B. Zhang, L. –Y. Lee, Ronald Klein, Barbara E. Klein, Larry D. Hubbard Abstract Purpose: To analyze the presence of calcified drusen as a baseline risk factor …
Diameter/Area of the Standardized Optic Disc and Accurate Scaling in Retinal Images (2005)
J.A. Elledge, M.D. Davis, Larry D. Hubbard, James L. Reimers, C.A. Fink, D.G. Hafford, R.A. Susman Abstract Purpose: To compare classic and modern assumptions regarding disc dimensions, as documented in fundus photos, and explore their …
Illustration of the AMD Severity Scale from the Age-Related Eye Diseases Study (2004)
Jane Armstrong, Matthew D. Davis, R.E. Gangnon, L. –Y. Lee, Ronald Klein, Barbara E. Klein, R. C. Milton, F.L. Ferris, Larry D. Hubbard Abstract Purpose: To summarize the AREDS severity scale for age–related macular degeneration …