Nanometer-class Optical Coherence Tomography for In Vivo Tear Film Thickness Estimation

2016 ◽  
Author(s):  
Jinxin Huang ◽  
Holly B. Hindman ◽  
Jannick P. Rolland
Keyword(s):  
Optical Coherence Tomography ◽  
Film Thickness ◽  
Tear Film ◽  
Optical Coherence ◽  
Thickness Estimation

scholarly journals In vivo tear film thickness measurement and tear film dynamics visualization using spectral domain optical coherence tomography

2015 ◽  
Vol 23 (16) ◽  
pp. 21043 ◽  
Author(s):  
Valentin Aranha dos Santos ◽  
Leopold Schmetterer ◽  
Martin Gröschl ◽  
Gerhard Garhofer ◽  
Doreen Schmidl ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Film Thickness ◽  
Tear Film ◽  
Thickness Measurement ◽  
Spectral Domain ◽  
Optical Coherence ◽  
Film Thickness Measurement

Measurement of Tear Film Thickness Using Ultrahigh-Resolution Optical Coherence Tomography

2013 ◽  
Vol 54 (8) ◽  
pp. 5578 ◽  
Author(s):  
René M. Werkmeister ◽  
Aneesh Alex ◽  
Semira Kaya ◽  
Angelika Unterhuber ◽  
Bernd Hofer ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Film Thickness ◽  
Tear Film ◽  
Optical Coherence ◽  
Ultrahigh Resolution

scholarly journals Effect of different lubricant eye gels on tear film thickness as measured with ultrahigh-resolution optical coherence tomography

2016 ◽  
Vol 95 (4) ◽  
pp. e307-e313 ◽  
Author(s):  
Piotr A. Wozniak ◽  
Doreen Schmidl ◽  
Ahmed M. Bata ◽  
Klemens Fondi ◽  
Katarzyna J. Witkowska ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Film Thickness ◽  
Tear Film ◽  
Optical Coherence ◽  
Ultrahigh Resolution

Effect of hyaluronic acid on tear film thickness as assessed with ultra-high resolution optical coherence tomography

2015 ◽  
Vol 93 (5) ◽  
pp. 439-443 ◽  
Author(s):  
Semira Kaya ◽  
Doreen Schmidl ◽  
Leopold Schmetterer ◽  
Katarzyna J. Witkowska ◽  
Angelika Unterhuber ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Hyaluronic Acid ◽  
High Resolution ◽  
Film Thickness ◽  
Tear Film ◽  
Optical Coherence

258: Diagnosis and Intraoperative Staging of Bladder Disease by in-vivo Optical Coherence Tomography (OCT)

2004 ◽  
Vol 171 (4S) ◽  
pp. 68-68 ◽  
Author(s):  
Markus D. Sachs ◽  
Dmitry Daniltchenko ◽  
Eva Lankenau ◽  
Frank Koenig ◽  
Gerion Huettmann ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Bladder Disease

scholarly journals Evaluating Retinal and Choroidal Perfusion Changes after Isometric and Dynamic Activity Using Optical Coherence Tomography Angiography

Diagnostics ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 808
Author(s):  
Max Philipp Brinkmann ◽  
Nikolas Xavier Kibele ◽  
Michelle Prasuhn ◽  
Vinodh Kakkassery ◽  
Mario Damiano Toro ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence Tomography Angiography ◽  
Isometric Exercise ◽  
Dynamic Exercise ◽  
Exercise Heart Rate ◽  
Optical Coherence ◽  
Dynamic Activity ◽  
Capillary Plexus ◽  
Choroidal Perfusion

Optical coherence tomography angiography (OCTA) is a non-invasive tool for imaging and quantifying the retinal and choroidal perfusion state in vivo. This study aimed to evaluate the acute effects of isometric and dynamic exercise on retinal and choroidal sublayer perfusion using OCTA. A pilot study was conducted on young, healthy participants, each of whom performed a specific isometric exercise on the first day and a dynamic exercise the day after. At baseline and immediately after the exercise, heart rate (HR), mean arterial pressure (MAP), superficial capillary plexus perfusion (SCPP), deep capillary plexus perfusion (DCPP), choriocapillaris perfusion (CCP), Sattlers’s layer perfusion (SLP), and Haller’s layer perfusion (HLP) were recorded. A total of 34 eyes of 34 subjects with a mean age of 32.35 ± 7.87 years were included. HR as well as MAP increased significantly after both types of exercise. Both SCPP and DCPP did not show any significant alteration due to isometric or dynamic exercise. After performing dynamic exercise, CCP, SLP, as well as HLP significantly increased. Changes in MAP correlated significantly with changes in HLP after the dynamic activity. OCTA-based analysis in healthy adults following physical activity demonstrated a constant retinal perfusion, supporting the theory of autoregulatory mechanisms. Dynamic exercise, as opposed to isometric activity, significantly changed choroidal perfusion. OCTA imaging may represent a novel and sensitive tool to expand the diagnostic spectrum in the field of sports medicine.

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