Algorithmic and sensor-based research on Chinese children's and adolescents' screen use behavior and light environment.

"Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This study was funded by: National Natural Science Foundation of China (Grant No. 82101183; 82171095; 82360214); Research Project of Shanghai Municipal Health Commission (Grant No. 202340243); Nursing Research Fund of Fudan University (Grant No. FNF202234); Key Discipline Program of Sixth Round of the Three-year Public Health Action Plan (Year 2023–2025) of Shanghai, China: GWVI-11.1–32; Construction of a 3D digital intelligent prevention and control platform for the whole life cycle of highly myopic patients in the Yangtze River Delta (Grant No. 21002411600); Project of Shanghai Xuhui District Science and Technology (Grant No. XHLHGG202104). The funding organization had no role in the design or conduct of this study."