Disordered Sleep and Myopia Risk among Chinese Children
Zhongqiang Zhou, Ian G Morgan, Qianyun Chen, Ling Jin, Mingguang He, Nathan Congdon
PLoS One | PUBLIC LIBRARY SCIENCE | Published : 2015
PURPOSE: Disordered sleep and myopia are increasingly prevalent among Chinese children. Similar pathways may be involved in regulation of both sleep cycles and eye growth. We therefore sought to examine the association between disordered sleep and myopia in this group. METHODS: Urban primary school children participating in a clinical trial on myopia and outdoor activity underwent automated cycloplegic refraction with subjective refinement. Parents answered questions about children's sleep duration, sleep disorders (Children's Sleep Habits Questionnaire [CSHQ]), near work and time spent outdoors. RESULTS: Among 1970 children, 1902 (96.5%, mean [standard deviation SD] age 9.80 [0.44] years, 5..View full abstract
Supported by the Basic Research Fund for the State Key Laboratory at Zhongshan Ophthalmic Center. Prof Congdon is supported by a grant from the Government of China's Thousand Man Program. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.