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. 2018 Mar 15;8:4594. doi: 10.1038/s41598-018-22759-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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Scatter plot of all 3748 eyes assigning mean absolute curvature to the horizontal axis and variance of absolute curvature to the vertical axis. (A) Seventy-seven eyes with posterior staphyloma (filled red circle) and 3671 eyes without posterior staphyloma (blue cross). (B) Splitting lines at 6.97 × 10⁻⁵ in mean absolute curvature and 2.06 × 10⁻⁹ in variance of absolute curvature were added. Most of the eyes with staphyloma localize to the upper right segment of the splitting line.