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. 2018 Mar 15;5:5. doi: 10.1186/s40662-018-0100-7

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© The Author(s). 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 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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Fig. 2 — Pupil-centered corneal region and OK-lens-centered corneal region of an OK-lens-treated subject-III. a Two subregions were marked on LCSA map, black circle: pupil-centered region; blue circle: OK-lens-centered region. b The two subregions were separated from the reshaped corneal surface