Status:
UNKNOWN
Prevalence and Environmental Factors for Myopia Among Chinese School-aged Children and Adolescent in Tianjin
Lead Sponsor:
Tianjin Eye Hospital
Conditions:
Myopia
Refractive Errors
Eligibility:
All Genders
6-18 years
Brief 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...
Detailed Description
The high prevalence of myopia has become a global public health problem, especially in East and South Asian countries. It's still not clear for the prevalence and progression of myopia associated with...
Eligibility Criteria
Inclusion
- aged 6 to 18 years
- no ocular diseases and systemic diseases
- consent to undergo an eye examination
Exclusion
- schoolchildren unwilling to participate
Key Trial Info
Start Date :
March 1 2021
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 31 2025
Estimated Enrollment :
500000 Patients enrolled
Trial Details
Trial ID
NCT05336799
Start Date
March 1 2021
End Date
December 31 2025
Last Update
November 29 2022
Active Locations (1)
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1
Tianjin Eye Hospital
Tianjin, Tianjin Municipality, China