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. 2019 Aug 5;19:171. doi: 10.1186/s12886-019-1177-z

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 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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Fig. 1 — Analysis of optical coherence tomography angiography image. Typical optical coherence tomography angiography images from a patient. a; Superficial capillary plexus (SCP) image. b; Foveal avascular zone (FAZ) area in SCP (region shown in red). c; Binarized OCTA image using ImageJ in SCP. d; Deep capillary plexus (DCP) image. e; FAZ area in DCP (region shown in red). f; Binarized OCTA image using ImageJ in DCP. Vascular densities in SCP and DCP were calculated from binary images in c and f