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. 2014 May 15;14:66. doi: 10.1186/1471-2415-14-66

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Copyright © 2014 Ouyang et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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One retinal artery and one vein seen on spectral domain optical coherence tomography. A. Infrared reflectance image of a retinal artery. B. The same artery shown with optical coherence line scanning. Note: the upper and lower boundary of retinal vessels presented as hyperreflective feature compared to the surrounding retinal tissue (red arrows). C. Infrared reflectance image of a retinal vein. D. The same vein demonstrated with optical coherence scan. Note: the upper and lower boundary did not present different reflectivity compared to the surrounding retinal tissue (white arrows).