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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 2 — Feb. 1, 2014
  • pp: 630–642

Measurement of the total retinal blood flow using dual beam Fourier-domain Doppler optical coherence tomography with orthogonal detection planes

Veronika Doblhoff-Dier, Leopold Schmetterer, Walthard Vilser, Gerhard Garhöfer, Martin Gröschl, Rainer A. Leitgeb, and René M. Werkmeister  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 2, pp. 630-642 (2014)

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We present a system capable of measuring the total retinal blood flow using a combination of dual beam Fourier-domain Doppler optical coherence tomography with orthogonal detection planes and a fundus camera-based retinal vessel analyzer. Our results show a high degree of conformity of venous and arterial flows, which corroborates the validity of the measurements. In accordance with Murray’s law, the log-log regression coefficient between vessel diameter and blood flow was found to be ~3. The blood’s velocity scaled linearly with the vessel diameter at higher diameters (> 60 µm), but showed a clear divergence from the linear dependence at lower diameters. Good agreement with literature data and the large range and high measurement sensitivity point to a high potential for further investigations.

© 2014 Optical Society of America

OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(280.2490) Remote sensing and sensors : Flow diagnostics
(170.2655) Medical optics and biotechnology : Functional monitoring and imaging

ToC Category:
Optical Coherence Tomography

Original Manuscript: October 23, 2013
Revised Manuscript: December 11, 2013
Manuscript Accepted: December 12, 2013
Published: January 28, 2014

Veronika Doblhoff-Dier, Leopold Schmetterer, Walthard Vilser, Gerhard Garhöfer, Martin Gröschl, Rainer A. Leitgeb, and René M. Werkmeister, "Measurement of the total retinal blood flow using dual beam Fourier-domain Doppler optical coherence tomography with orthogonal detection planes," Biomed. Opt. Express 5, 630-642 (2014)

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