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. 2017 Apr 28;96(17):e6782. doi: 10.1097/MD.0000000000006782

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Copyright © 2017 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0

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Graph demonstrating the central corneal thickness (CCT) in eyes with myopic regression after laser in situ keratomileusis in the 2 treatment groups in different follow-up visits. Before treatment with eye drops (pretreatment), the differences in the mean CCT were not statistically significant between the 2 groups (P = .653, independent samples t test). The differences in the mean CCT ± SD among the 3 time points (pre-, during, and posttreatment) were not statistically different in each of the 2 groups (P > .05, one-way ANOVA test). ANOVA = analysis of variance.