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. 2017 Nov 16;17(11):2644. doi: 10.3390/s17112644

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Ten principal components (PC) of eleven eyes transformed with PCA. The clinical information appears in several PC for EYE8 until EYE11 as these images were stained. In contrast, EYE1 to EYE7 which were without stained appear similar even though EYE4 to EYE7 had abnormal corneal epithelium.

Ten principal components (PC) of eleven eyes transformed with PCA. The clinical information appears in several PC for EYE8 until EYE11 as these images were stained. In contrast, EYE1 to EYE7 which were without stained appear similar even though EYE4 to EYE7 had abnormal corneal epithelium.