Yongguo Xiang, Hong Cheng, Kexin Sun, Shijie Zheng, Miaomiao Du, Ning Gao, Tong Zhang, Xin Yang, Jiuyi Xia, Rongxi Huang, Wenjuan Wan, Ke Hu
OBJECTIVE: To investigate the differences in myopia prevalence and ocular biometry in children and adolescents in Chongqing and Tibet, China. DESIGN: Cross-sectional study. SETTING: The study included children and adolescents aged 6-18 years in Chongqing, a low-altitude region, and in Qamdo, a high-altitude region of Tibet. PARTICIPANTS: A total of 448 participants in Qamdo, Tibet, and 748 participants in Chongqing were enrolled in this study...
May 1, 2024: BMJ Open