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. 2014 Feb 14;13:16. doi: 10.1186/1475-925X-13-16

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Copyright © 2014 Koprowski et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 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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The impact of cup arrangement with respect to the disk on the values w_gand w_BGA. A summary of various typical cup arrangements relative to the disk and the effect of their size on the features w_g(1), w_g(2) and w_g(3) as well as w_BGA and, in addition, the values of the DDLS, have been shown. A change in the position of the cup centre of gravity relative to the disk is expressed by the feature w_g(1). In turn, the feature w_g(2) is a measure of the centricity of the cup edge distribution with respect to the disk. w_g(3) is the mean value of the RNFL thickness deviation from the standard.