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. 2019 Apr 23;4(1):e000237. doi: 10.1136/bmjophth-2018-000237

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Bland and Altman plots of between-measurement differences against means of choroidal thickness measurements for the interimage repeatability in (A) single-vision spectacle-wearing (n=20) and (B) orthokeratology-treated (n=20) groups. All Pearson’s correlation coefficients (r) showed no significant correlations between the differences and the means of choroidal measurements (p>0.05). The solid line represents the mean difference of choroidal measurements and the dashed lines represent the lower and upper 95% limits of agreement (mean difference ±1.96 x SD of the differences).