Status:
UNKNOWN
Academic Performance and Refractive Error
Lead Sponsor:
Sun Yat-sen University
Conditions:
Refractive Errors
Eligibility:
All Genders
6-15 years
Brief Summary
Refractive errors constitute the leading cause of visual disability worldwide and that myopia progresses dramatically when students reach school age. Studies from different countries have reported inc...
Eligibility Criteria
Inclusion
- schoolchildren in the 1st to 9th grades
Exclusion
- schoolchildren unwilling to participate
- had a history of wearing rigid contact lenses, medical treatment or diseases that could cause poor vision or negatively affect the academic outcomes
- with unreliable auto-refraction values
Key Trial Info
Start Date :
September 1 2016
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 1 2020
Estimated Enrollment :
10000 Patients enrolled
Trial Details
Trial ID
NCT04338880
Start Date
September 1 2016
End Date
December 1 2020
Last Update
April 8 2020
Active Locations (1)
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1
Zhognshan Ophthalmic Center, Sun Yat-sen University
Guangzhou, Guangdong, China, 510080