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Udo Greppmaier
Udo Greppmaier
Unknown affiliation
Verified email at greppmaier.de
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Cited by
Year
Subretinal electronic chips allow blind patients to read letters and combine them to words
E Zrenner, KU Bartz-Schmidt, H Benav, D Besch, A Bruckmann, VP Gabel, ...
Proceedings of the Royal Society B: Biological Sciences 278 (1711), 1489-1497, 2011
10112011
Artificial vision with wirelessly powered subretinal electronic implant alpha-IMS
K Stingl, KU Bartz-Schmidt, D Besch, A Braun, A Bruckmann, F Gekeler, ...
Proceedings of the Royal Society B: Biological Sciences 280 (1757), 20130077, 2013
5412013
Interim results of a multicenter trial with the new electronic subretinal implant alpha AMS in 15 patients blind from inherited retinal degenerations
K Stingl, R Schippert, KU Bartz-Schmidt, D Besch, CL Cottriall, ...
Frontiers in neuroscience 11, 445, 2017
2062017
Spatial resolution and perception of patterns mediated by a subretinal 16-electrode array in patients blinded by hereditary retinal dystrophies
R Wilke, VP Gabel, H Sachs, KUB Schmidt, F Gekeler, D Besch, ...
Investigative ophthalmology & visual science 52 (8), 5995-6003, 2011
1772011
Laboratory and clinical reliability of conformally coated subretinal implants
R Daschner, U Greppmaier, M Kokelmann, S Rudorf, R Rudorf, ...
Biomedical microdevices 19 (1), 7, 2017
482017
Restoration of useful vision up to letter recognition capabilities using subretinal microphotodiodes
H Benav, KU Bartz-Schmidt, D Besch, A Bruckmann, F Gekeler, ...
2010 Annual International Conference of the IEEE Engineering in Medicine and …, 2010
462010
Safety and efficacy of subretinal visual implants in humans: methodological aspects
K Stingl, M Bach, KU Bartz‐Schmidt, A Braun, A Bruckmann, F Gekeler, ...
Clinical and Experimental Optometry 96 (1), 4-13, 2013
422013
Positioning of electronic subretinal implants in blind retinitis pigmentosa patients through multimodal assessment of retinal structures
A Kusnyerik, U Greppmaier, R Wilke, F Gekeler, B Wilhelm, HG Sachs, ...
Investigative ophthalmology & visual science 53 (7), 3748-3755, 2012
382012
Psychometric analysis of visual sensations mediated by subretinal microelectrode arrays implanted into blind retinitis pigmentosa patients
E Zrenner, R Wilke, T Zabel, H Sachs, K Bartz-Schmidt, F Gekeler, ...
Investigative Ophthalmology & Visual Science 48 (13), 659-659, 2007
352007
Subretinale visuelle Implantate
K Stingl, U Greppmaier, B Wilhelm, E Zrenner
Klinische Monatsblätter für Augenheilkunde 227 (12), 940-945, 2010
272010
What can blind patients see in daily life with the subretinal Alpha IMS implant? Current overview from the clinical trial in Tübingen
K Stingl, KU Bartz-Schmidt, D Besch, F Gekeler, U Greppmaier, ...
Der Ophthalmologe 109, 136-141, 2012
222012
Visual sensations mediated by subretinal microelectrode arrays implanted into blind retinitis pigmentosa patients
E Zrenner, R Wilke, H Sachs, K Bartz-Schmidt, F Gekeler, D Besch, ...
Proceedings of the 13th Annual Conference of the IFESS, 218-220, 2008
182008
Fading of perception in retinal implants is a function of time and space between sites of stimulation
RG Wilke, U Greppmaier, K Stingl, E Zrenner
Investigative Ophthalmology & Visual Science 52 (14), 458-458, 2011
162011
Subretinal electronic chips can restore useful visual functions in blind retinitis pigmentosa patients
K Stingl, KU Bartz-Schmidt, H Benav, D Besch, A Bruckmann, F Gekeler, ...
Biomed Tech 55 (Suppl. 1), 2010
142010
Extraocular surgical approach for placement of subretinal implants in blind patients: lessons from cochlear-implants
A Koitschev, K Stingl, KU Bartz-Schmidt, A Braun, F Gekeler, ...
Journal of ophthalmology 2015, 2015
132015
Transfer characteristics of subretinal visual implants: corneally recorded implant responses
K Stingl, KU Bartz-Schmidt, A Braun, F Gekeler, U Greppmaier, A Schatz, ...
Documenta Ophthalmologica 133, 81-90, 2016
102016
Subretinal Microelectrode Arrays Allow Blind Retinitis Pigmentosa Patients to Recognize Letters and Combine them to Words
E Zrenner, R Wilke, KU Bartz-Schmidt, F Gekeler, D Besch, H Benav, ...
Front. Neurosci. Conference Abstract: 2nd International Conference on …, 2010
102010
Visualisation of active subretinal implants with external connections by high-resolution CT
F Gekeler, A Kopp, H Sachs, D Besch, U Greppmaier, E Zrenner, ...
British journal of ophthalmology 94 (7), 843-847, 2010
92010
Factors affecting perceptual thersholds of subretinal electric stimulation in blind volunteers
R Wilke, U Greppmaier, A Harscher, H Benav, E Zrenner
Investigative Ophthalmology & Visual Science 51 (13), 2026-2026, 2010
92010
Improvement of visual orientation and daily skills mediated by subretinal electronic implant Alpha IMS in previously blind RP patients
E Zrenner, A Bruckmann, U Greppmaier, G Hoertdoerfer, C Kernstock, ...
Investigative Ophthalmology & Visual Science 52 (14), 457-457, 2011
72011
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