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28 February 2008 Retinal blood flow measurement by using optical coherence tomography
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Abstract
Quantification of the three-dimensional (3D) retinal vessel structure and blood flow is demonstrated. 3D blood flow distribution is obtained by Doppler optical coherence angiography (D-OCA). Vessel parameters, i.e. diameter, orientation, and position, are determined in an en face vessel image. The Doppler angle is estimated as the angle between the retinal vessel and the incident probing beam in representative cross-sectional flow image which extracted from the 3D flow distribution according to the vessel parameters. Blood flow velocity and volume rate can be quantified with these vessel parameters. The retinal blood flow velocity and volume rate are measured in the retinal vessels around the optic nerve head.
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Shuichi Makita, Tapio Fabritius, Masahiro Miura, Toyohiko Yatagai, and Yoshiaki Yasuno "Retinal blood flow measurement by using optical coherence tomography", Proc. SPIE 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII, 68470J (28 February 2008); doi: 10.1117/12.765282; https://doi.org/10.1117/12.765282
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