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. 2022 Feb 4;9:809787. doi: 10.3389/fmed.2022.809787

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Copyright © 2022 Li, Lin, Jiang, Chen, Chen and Lu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Myopia related parameters among groups with different serum vitamin D [25(OH)D] concentration in both areas. (A,B) Average SER among groups with different serum vitamin D concentration in both areas (Wilcoxon rank sum test). (C,D) Percentage of myopia and non-myopia among groups with different serum vitamin D concentration in both areas (Lowland: Chi-square test; Highland: Fisher exact test). (E) Axial length among groups with different serum vitamin D concentration in lowland subjects (Wilcoxon rank sum test).