Prevalence and Environmental Factors for Myopia Among Chinese School-aged Children and Adolescent in Tianjin
Clinical trial NCT05336799 · UNKNOWN
Trial details
- NCT number
- NCT05336799
- Sponsor
- Tianjin Eye Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2021-03-01
- Primary completion
- 2022-12-01
- Enrollment
- 500000
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