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. 2023 Jul 19;11:1191112. doi: 10.3389/fpubh.2023.1191112

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Copyright © 2023 Zhou, Zhang, Zheng, Yin and Chen.

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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SVA change trend in groups with different ciliary-muscle training durations. *Represents significant difference compared with T1 (p < 0.05); ^#Represents significant difference compared with T2 (p < 0.05).