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. 2020 Jul 16;10:11795. doi: 10.1038/s41598-020-68625-8

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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(A) Manual measurement of the foveal avascular zone (FAZ). On the left, at the superficial capillary plexus (SCP) level, and on the right, at the deep capillary plexus (DCP) level. The limits of the FAZ are in green. Below, B-scan with the limits of segmentation of the DCP in green. (B) Example of colorimetric representation of the vascular density in the DCP used for subjective evaluation of the location of blood flow loss. In blue the lower densities, and in red the higher densities.