Status:
UNKNOWN
Trial of Myopia Prevention Using +3D Lenses
Lead Sponsor:
Sun Yat-sen University
Collaborating Sponsors:
Australian National University
Conditions:
Myopia
Eligibility:
All Genders
Phase:
NA
Brief Summary
The purpose of this study is to assess whether a short-term imposed myopic defocus is effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
Detailed Description
1. To determine if +3D lenses wearing for half an hour everyday prevents the development and progression of myopia in school children. 2. To identify ocular parameters and risk factors at baseline ass...
Eligibility Criteria
Inclusion
- All children in the selected class are enrolled
Exclusion
- Hyperopia \> +2.0 D
- High myopia \> -6.0 D
- Astigmatism\> 1.5 D
- Anisometropia \> 1.5 D
- Strabismus and amblyopia
- Any ocular, systemic, or neurodevelopmental conditions that could influence refractive development
- Chronic medication use that might affect myopia progression or visual acuity
- Already receiving other treatment for progressing myopia
Key Trial Info
Start Date :
April 1 2010
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
April 1 2012
Estimated Enrollment :
1200 Patients enrolled
Trial Details
Trial ID
NCT00627874
Start Date
April 1 2010
End Date
April 1 2012
Last Update
February 24 2009
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