NCT06931444

The Beijing Childhood Eye Study

School Based Cohort Study for Myopia-The Beijing Childhood Eye Study

• Status: Enrolling By Invitation
• Phase: —
• Study type: Observational
• Enrollment: 3,760 (estimated)
• Sponsor: Beijing Tongren Hospital · Academic / Other
• Sex: All
• Age: 6 Years – 12 Years
• Healthy volunteers: Accepted

Summary

Axial myopia has emerged as the leading cause of irreversible vision loss in East Asia, driven by its progression to sight-threatening complications including myopic macular degeneration, retinal detachment, open-angle glaucoma, and other complications. In the current study, we aim to observe the natural course of the development , progression, and its associated factors in children

Detailed description

This is a prospective epidemiological cohort study, recruiting students in grades 1-3 in primary school for myopia. Through stratified cluster random sampling, among aii the primary schools in Dongcheng District, Beijing, schools were stratified into key and ordinary schools, with 2 schools randomly selected from each stratum. A prospective study cohort comprising 3,667 subjects was established. All study subjects completed a standard questionnaire and underwent routine ophthalmic examinations. Follow-up assessments will be conducted regularly to monitor changes in refractive errors and fundus indicators. Informed consent, approved by the Ethics Committee of Beijing Tongren Hospital, was obtained from all participants.

Conditions

• Myopia

Timeline

• Start date: 2020-01-01
• Primary completion: 2025-08-01
• Completion: 2025-09-01
• First posted: 2025-04-17
• Last updated: 2025-04-17

Locations

1 site across 1 country: China