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This paper is in the following e-collection/theme issue:

Evidence-Based Practice and Medicine (36) Mobile Health (mhealth) (5243) Public (e)Health, Digital Epidemiology and Public Health Informatics (2335) mHealth for Symptom and Disease Monitoring, Chronic Disease Management (2417)

Published on in Vol 13 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/79266, first published .
Young girl lying down and happily engaging with a tablet computer.

Objective Monitoring of Tablet Use–Related Optical Exposure and Its Association With Axial Length in Preschool Children: Cross-Sectional Intelligent Monitoring Study

Objective Monitoring of Tablet Use–Related Optical Exposure and Its Association With Axial Length in Preschool Children: Cross-Sectional Intelligent Monitoring Study

Authors of this article:

Yidong Zhu1 Author Orcid Image ;   Hao Chen1 Author Orcid Image ;   Senlin Lin2, 3 Author Orcid Image ;   Hong Jiang4 Author Orcid Image ;   Mingdao Zhang5 Author Orcid Image ;   Yi Sun1 Author Orcid Image ;   Chenshu Li1 Author Orcid Image ;   Yingnan Jia1 Author Orcid Image
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Journals

  1. Zhang M, Shi D, Gao C, Wang Y, Fan Y, Wang B. Screen exposure patterns and their associations with obesity and sleep among preschool children in a resource-limited city in eastern China: a multicenter cross-sectional study protocol. Frontiers in Public Health 2026;14 View