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. 2017 Aug 30;7:9930. doi: 10.1038/s41598-017-10042-5

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© The Author(s) 2017

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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Directionality and magnitude of the path between the location of the central retinal vessel trunk (CRVT) at the level of the lamina cribrosa (LC) and the CRVT at the level of the prelaminar tissue for (A) healthy, (B) glaucoma suspect, and (C) glaucomatous eyes. The circle represents the CRVT location in the LC and the line ends at the CRVT location in the prelaminar tissue. The intersection of the gray dashed lines show the center of the Bruch membrane opening (BMO) and the dashed lines separate the plot into superior (S), inferior (I), temporal (T), and nasal (N) quadrants. All eyes have been converted to the orientation of the right eye.