Imaging vascular dynamics in human retina using full-field swept-source optical coherence tomography
(Conference Presentation)

Hendrik Spahr; Dierck Hillmann; Carola Hain; Clara Pfäffle; Helge Sudkamp; Gesa Franke; Gereon Hüttmann

doi:10.1117/12.2214303

26 April 2016 Imaging vascular dynamics in human retina using full-field swept-source optical coherence tomography (Conference Presentation)

Hendrik Spahr, Dierck Hillmann, Carola Hain, Clara Pfäffle, Helge Sudkamp, Gesa Franke, Gereon Hüttmann

Author Affiliations +

Proceedings Volume 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX; 96970E (2016) https://doi.org/10.1117/12.2214303
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

We demonstrate a new non-invasive method to assess the functional condition of the retinal vascular system. Phase-sensitive full-field swept-source optical coherence tomography (PhS-FF-SS-OCT) is used to investigate retinal vascular dynamics at unprecedented temporal resolution. Motion of retinal tissue, that is induced by expansion of the vessels therein, is measured with an accuracy of about 10 nm. The pulse shape of arterial and venous pulsation, their temporal delay as well as the frequency dependent pulse propagation through the capillary bed are determined. For the first time, imaging speed and motion sensitivity are sufficient for a direct measurement of pulse waves propagating with more than 600 mm/s in retinal vessels of a healthy young subject.

Conference Presentation

Citation Download Citation

Hendrik Spahr, Dierck Hillmann, Carola Hain, Clara Pfäffle, Helge Sudkamp, Gesa Franke, and Gereon Hüttmann "Imaging vascular dynamics in human retina using full-field swept-source optical coherence tomography (Conference Presentation)", Proc. SPIE 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX, 96970E (26 April 2016); https://doi.org/10.1117/12.2214303

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