Zobrazeno 1 - 10
of 253
pro vyhledávání: '"Michael Pircher"'
Autor:
Rahul P. Patil, Rohit Shetty, Pooja Khamar, Yash G. Patel, Raghav R. Narasimhan, Anushree A. Bhatkal, Christopher K. Hitzenberger, Michael Pircher, Rudy M. M. R. Nuijts, Abhijit Sinha Roy
Publikováno v:
Eye and Vision, Vol 11, Iss 1, Pp 1-8 (2024)
Abstract Background Accurately assessing corneal structural status is challenging when thickness deviates from the average. Polarization-sensitive optical coherence tomography (PS-OCT) measures tissue-specific polarization changes, providing addition
Externí odkaz:
https://doaj.org/article/138175e399034ecba7e06fda52a9d562
Autor:
Marie Elise Wistrup Torm, Michael Pircher, Sophie Bonnin, Jesper Johannesen, Oliver Niels Klefter, Mathias Falck Schmidt, Jette Lautrup Frederiksen, Nicolas Lefaudeux, Jordi Andilla, Claudia Valdes, Pablo Loza-Alvarez, Luisa Sanchez Brea, Danilo Andrade De Jesus, Kate Grieve, Michel Paques, Michael Larsen, Kiyoko Gocho
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract This study tested if a high-resolution, multi-modal, multi-scale retinal imaging instrument can provide novel information about structural abnormalities in vivo. The study examined 11 patients with very mild to moderate non-proliferative dia
Externí odkaz:
https://doaj.org/article/676c9439b8bc439bab580766c1c33eea
Autor:
Muhammad Faizan Shirazi, Jordi Andilla, Nicolas Lefaudeux, Claudia Valdes, Florian Schwarzhans, Marine Durand, Konstantinos Ntatsis, Danilo Andrade De Jesus, Luisa Sanchez Brea, Kiyoko Gocho, Josselin Gautier, Christina Eckmann-Hansen, Marie Elise Wistrup Torm, Abdullah Amini, Stefan Klein, Theo Van Walsum, Kate Grieve, Michel Paques, Michael Larsen, Pablo Loza-Alvarez, Xavier Levecq, Nicolas Chateau, Michael Pircher
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract We present a compact multi-modal and multi-scale retinal imaging instrument with an angiographic functional extension for clinical use. The system integrates scanning laser ophthalmoscopy (SLO), optical coherence tomography (OCT) and OCT ang
Externí odkaz:
https://doaj.org/article/12a6fc229709437998872823e2734a27
Autor:
Philipp K. Roberts, Markus Schranz, Alice Motschi, Sylvia Desissaire, Valentin Hacker, Michael Pircher, Stefan Sacu, Wolf Buehl, Christoph K. Hitzenberger, Ursula M. Schmidt-Erfurth
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract To find baseline predictors for subretinal fibrosis (SF) in neovascular age-related macular degeneration (nAMD). Forty-five eyes of 45 participants with treatment-naïve nAMD were consecutively enrolled and treated according to a standardize
Externí odkaz:
https://doaj.org/article/882cf5a662c543ca839ded3cd2167b0b
Autor:
Alice R Motschi, Florian Schwarzhans, Sylvia Desissaire, Stefan Steiner, Hrvoje Bogunović, Philipp K Roberts, Clemens Vass, Christoph K Hitzenberger, Michael Pircher
Publikováno v:
PLoS ONE, Vol 17, Iss 12, p e0278679 (2022)
We present measurements of depolarization introduced by the retinal pigment epithelium (RPE) over a 45° field of view using polarization sensitive optical coherence tomography. A detailed spatial distribution analysis of depolarization caused by the
Externí odkaz:
https://doaj.org/article/5d97f834efe64fb29fd43c3ccf75840d
Autor:
Adrian Reumueller, Lorenz Wassermann, Matthias Salas, Markus Schranz, Valentin Hacker, Georgios Mylonas, Stefan Sacu, Wolfgang Drexler, Michael Pircher, Ursula Schmidt-Erfurth, Andreas Pollreisz
Publikováno v:
PLoS ONE, Vol 16, Iss 1, p e0245293 (2021)
PurposeTo assess the signal composition of cone photoreceptors three-dimensionally in healthy retinas using adaptive optics optical coherence tomography (AO-OCT).MethodsStudy population. Twenty healthy eyes of ten subjects (age 23 to 67). Procedures.
Externí odkaz:
https://doaj.org/article/54a55e9ca1a24f9b955e85482919dcc7
Autor:
Florian Beer, Rahul P. Patil, Abhijit Sinha-Roy, Bernhard Baumann, Michael Pircher, Christoph K. Hitzenberger
Publikováno v:
Applied Sciences, Vol 9, Iss 20, p 4245 (2019)
Noninvasive corneal imaging is essential for the diagnosis and treatment control of various diseases affecting the anterior segment of the eye. This study presents an ultrahigh resolution polarization sensitive optical coherence tomography instrument
Externí odkaz:
https://doaj.org/article/cd31af0797384179a5e204db1314f864
Autor:
Luisa Sánchez Brea, Danilo Andrade De Jesus, Muhammad Faizan Shirazi, Michael Pircher, Theo van Walsum, Stefan Klein
Publikováno v:
Applied Sciences, Vol 9, Iss 13, p 2700 (2019)
Motion artefacts from involuntary changes in eye fixation remain a major imaging issue in optical coherence tomography (OCT). This paper reviews the state-of-the-art of retrospective procedures to correct retinal motion and axial eye motion artefacts
Externí odkaz:
https://doaj.org/article/5f798668d9114bca9cae6a70c7aba16d
Autor:
Marco Augustin, Stanislava Fialová, Tanja Himmel, Martin Glösmann, Theresia Lengheimer, Danielle J Harper, Roberto Plasenzotti, Michael Pircher, Christoph K Hitzenberger, Bernhard Baumann
Publikováno v:
PLoS ONE, Vol 11, Iss 10, p e0164419 (2016)
We present a multi-functional optical coherence tomography (OCT) imaging approach to study retinal changes in the very-low-density-lipoprotein-receptor (VLDLR) knockout mouse model with a threefold contrast. In the retinas of VLDLR knockout mice spon
Externí odkaz:
https://doaj.org/article/bb7b71229fec4b7e9d2b60ff5da4f353
Autor:
Michael Pircher
Publikováno v:
Applied Sciences, Vol 7, Iss 10, p 1507 (2017)
To celebrate the 25th anniversary of the introduction of OCT, the special feature issue entitled “Development and Application of Optical Coherence Tomography (OCT)” had been initiated [...]
Externí odkaz:
https://doaj.org/article/739369672e8140c0ba83dc297d7c7910