Steffen Hamann
University of Copenhagen
112 Papers
177 Citations
Steffen Hamann is an academic researcher from University of Copenhagen. The author has contributed to research in topics: Medicine & Optic disc drusen. The author has an hindex of 21, co-authored 80 publications. Previous affiliations of Steffen Hamann include Copenhagen University Hospital & Glostrup Hospital.
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Papers
A Simplified Quantitative Method for Assessing Keratoconjunctivitis Sicca From the Sjögren's Syndrome International Registry
John P. Whitcher,Caroline H. Shiboski,Stephen Shiboski,Ana Maria Heidenreich,Kazuko Kitagawa,Shunhua Zhang,Steffen Hamann,Genevieve Larkin,Nancy A. McNamara,John S. Greenspan,Troy E. Daniels +10 more
TL;DR: This new method for assessing KCS will become the means for diagnosing the ocular component of SS in future classification criteria and is found to find 2 forms of KCS whose causes may differ.
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Artificial Intelligence to Detect Papilledema from Ocular Fundus Photographs
Dan Milea,Dan Milea,Raymond P. Najjar,Raymond P. Najjar,Jiang Zhubo,Daniel S W Ting,Daniel S W Ting,Caroline Vasseneix,Xinxing Xu,Masoud Aghsaei Fard,Pedro Fonseca,Kavin Vanikieti,Wolf A. Lagrèze,Chiara La Morgia,Carol Y. Cheung,Steffen Hamann,Christophe Chiquet,Christophe Chiquet,Nicolae Sanda,Hui Yang,Luis J. Mejico,Marie Bénédicte Rougier,Richard Kho,Tran Thi Ha Chau,Shweta Singhal,Shweta Singhal,Philippe Gohier,Catherine Clermont-Vignal,Ching-Yu Cheng,Ching-Yu Cheng,Jost B. Jonas,Patrick Yu-Wai-Man,Patrick Yu-Wai-Man,Patrick Yu-Wai-Man,Clare L. Fraser,John J. Chen,Selvakumar Ambika,Neil R. Miller,Yong Liu,Nancy J. Newman,Tien Yin Wong,Tien Yin Wong,Valérie Biousse +42 more
TL;DR: A deep-learning system using fundus photographs with pharmacologically dilated pupils differentiated among optic disks with papilledema, normal disks, and disks with nonpapilledema abnormalities.
Measurement of Cell Volume Changes by Fluorescence Self-Quenching
Steffen Hamann,Jens Folke Kiilgaard,Thomas Litman,Francisco J. Alvarez-Leefmans,Benny R. Winther,Thomas Zeuthen +5 more
TL;DR: A simple method is reported that uses low (μM) loading concentrations of calcein-acetoxymethyl ester (calce in-AM) to obtain intracellular concentrations of the fluorophorecalcein suitable for measurement of changes in cell water volume by self-quenching.
196
The Optic Disc Drusen Studies Consortium Recommendations for Diagnosis of Optic Disc Drusen Using Optical Coherence Tomography.
Lasse Malmqvist,Lulu L. C. D. Bursztyn,Fiona Costello,Kathleen B. Digre,J. Alexander Fraser,Clare L. Fraser,Bradley J. Katz,Mitchell Lawlor,Axel Petzold,Patrick A. Sibony,Judith E. A. Warner,Marianne Wegener,Sui Wong,Sui Wong,Steffen Hamann +14 more
TL;DR: The ODDS Consortium recommendations are important in the process of establishing a reliable and consistent diagnosis of ODD using OCT for both clinicians and researchers.
Molecular mechanisms of water transport in the eye
TL;DR: The direction of cotransport in symporters complies with the direction of fluid transport in both the corneal epi- and endothelium, as well as the ciliary epithelium and retinal pigment epithelia.
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