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. 2015 Sep 24;14:367. doi: 10.1186/s12936-015-0897-7

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© MacCormick et al. 2015

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. 8 — Grade 2 macular capillary non-perfusion (CNP). Right eye the upper limit of grade 2 macular CNP. Combined area of macular CNP is <1/3 disc area. CNP is clearly seen around the foveal avascular zone, and less obviously in the temporal macula (arrow). Macula and 1/3 disc area are shown as white circles. Masking of fluorescein from haemorrhage is also visible (double arrow). CNP has geographic boundaries (e.g. the abnormally irregular edge of the foveal avascular zone in this image), while haemorrhages tend to have rounded edges