Prevalence and Environmental Factors for Myopia Among Chinese School-aged Children and Adolescent in Tianjin
NCT05336799 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 500000
Last updated 2022-11-29
Summary
The high prevalence of myopia has become a global public health problem. The study amied to investigate the prevalence and progression of myopia associated with social environmental factors in Tianjin, a Chinese megacity in north China.
Conditions
- Myopia
- Refractive Errors
Sponsors & Collaborators
-
Tianjin Eye Hospital
lead OTHER
Principal Investigators
-
yan wang · Tianjin Eye Hospital
Eligibility
- Min Age
- 6 Years
- Max Age
- 18 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2021-03-01
- Primary Completion
- 2022-12-01
- Completion
- 2025-12-31
Countries
- China
Study Locations
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