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. 2017 May 18;3(2):2055217317709620. doi: 10.1177/2055217317709620

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — PCA results. Segregation of OCT and MRI metrics in the four principal components with relative loadings. Each variable is color coded. A larger dot indicates the maximum loading attributed to the specific variable from the PCA analysis. PCA: principal component analysis; OCT: optical coherence tomography; MRI: magnetic resonance imaging; RNFL: retinal nerve fiber layer; GCIPL: ganglion cell + inner plexiform layer; ON: optic nerve; OT: optic tract; NAWM: normal-appearing white matter; FA: fractional anisotropy; OR: optic radiation; WM: white matter; CL: cortical lesion.