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A 3-year Cross-sectional Assessment of the Tianjin Child and Adolescent Large-scale Eye Study

NCT05967702 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 126810

Last updated 2023-08-01

No results posted yet for this study

Summary

This is a school-based, cross-sectional study to assess the incidence and prevalence, risk factors of myopia among schoolchildren in both eye-use environment, eye-use habits, lifestyle, and family and subjective factors before and during COVID-19. Large population and representative study subjects. Environmental exposure and daily within and out-of-school activities will be evaluated in a random subgroup.

Conditions

  • Myopia

Sponsors & Collaborators

  • Tianjin Eye Hospital

    lead OTHER

Principal Investigators

  • Yan Wang, director · Tianjin Eye Hospital and Eye Institute, Nankai University Affiliated Eye Hospital

Eligibility

Min Age
6 Years
Max Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-07-01
Primary Completion
2021-12-31
Completion
2021-12-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05967702 on ClinicalTrials.gov