Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
2000 participants
INTERVENTIONAL
2009-04-30
2012-07-31
Brief Summary
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Detailed Description
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2. To identify the risk factors associated with the development and progression of juvenile-onset myopia.
3. To characterize the interaction between refractive error and education.
Conditions
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Study Design
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RANDOMIZED
SINGLE_GROUP
PREVENTION
NONE
Study Groups
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Control
No interventions assigned to this group
Outdoor activity
Adding 1 hour outdoor time into school curricula
Outdoor activity
Adding 1 hour outdoor time into school curricula
Interventions
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Outdoor activity
Adding 1 hour outdoor time into school curricula
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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Sun Yat-sen University
OTHER
Responsible Party
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Zhongshan Ophthalmic Center, ZOC
Principal Investigators
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Mingguang He, PhD, MD
Role: PRINCIPAL_INVESTIGATOR
Zhongshan Ophthalmic Center, Sun Yat-sen University
Locations
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Zhongshan Ophthalmic Center
Guangzhou, Guangdong, China
Countries
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References
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He M, Xiang F, Zeng Y, Mai J, Chen Q, Zhang J, Smith W, Rose K, Morgan IG. Effect of Time Spent Outdoors at School on the Development of Myopia Among Children in China: A Randomized Clinical Trial. JAMA. 2015 Sep 15;314(11):1142-8. doi: 10.1001/jama.2015.10803.
Zhou Z, Morgan IG, Chen Q, Jin L, He M, Congdon N. Disordered sleep and myopia risk among Chinese children. PLoS One. 2015 Mar 26;10(3):e0121796. doi: 10.1371/journal.pone.0121796. eCollection 2015.
Other Identifiers
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GOAL2009
Identifier Type: -
Identifier Source: org_study_id