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. 2018 Mar 29;8:5355. doi: 10.1038/s41598-018-23604-y

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© The Author(s) 2018

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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Retinal layer thickness data vs. the FAZ area in the DM and MDR group. Each graph is labeled with the region and layer to which it corresponds. The red line represents the regression line, of which the equation is displayed in the graph region. In all cases, the “y” represents thickness in microns and the “x” represents FAZ area in mm². The R² is the coefficient of determination, which compares the ratio of the average difference of the data point and the line of best fit with that of the data point and the average “y” value. A negative slope corresponds to layer thinning as FAZ area increases, while a positive slope corresponds to layer thickening as FAZ area increases.