Status:
UNKNOWN
Guangzhou Outdoor Activity Longitudinal Study
Lead Sponsor:
Sun Yat-sen University
Conditions:
Myopia
Eligibility:
All Genders
Phase:
NA
Brief Summary
The purpose of this study is to assess whether outdoor activities are effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
Detailed Description
1. To determine if increased engagement in outdoor activities reduces the development and progression of myopia in Chinese school children. 2. To identify the risk factors associated with the developm...
Eligibility Criteria
Inclusion
- All the students in Grade 1
Exclusion
- No
Key Trial Info
Start Date :
April 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
July 1 2012
Estimated Enrollment :
2000 Patients enrolled
Trial Details
Trial ID
NCT00848900
Start Date
April 1 2009
End Date
July 1 2012
Last Update
November 22 2010
Active Locations (1)
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1
Zhongshan Ophthalmic Center
Guangzhou, Guangdong, China, 510060