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Investigation on Visual Habits and Eye Health among Primary and Secondary School Students in Tianjin

Investigation on Visual Habits and Eye Health among Primary and Secondary School Students in Tianjin

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300072706
Enrollment
Unknown
Registered
2023-06-21
Start date
2023-06-26
Completion date
Unknown
Last updated
2023-06-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Myopia

Interventions

Questionnaire group:None

Sponsors

Tianjin Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
5 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1. Primary and secondary school students from all districts of Tianjin who participate in the annual school vision screening examination 2. Age 5-18 years old

Exclusion criteria

Exclusion criteria: 1. Suffering from any systemic disease 2. Suffering from any eye disease other than myopia

Design outcomes

Primary

MeasureTime frame
Environmental factors - home and school location;—

Secondary

MeasureTime frame
Behavioral factors - the length of use of electronic products;Behavioral factors - close reading time;—

Countries

China

Contacts

Public ContactWei Zhang

Tianjin Eye Hospital

zhangwei3067@163.com+86 139 2010 3067

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026