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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COMPLETED
NA
2300 participants
INTERVENTIONAL
2012-09-30
2016-04-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
HEALTH_SERVICES_RESEARCH
NONE
Study Groups
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group2
Cycloplegic subjective refraction by an experienced optometrist or ophthalmologist
group2
Cycloplegic subjective refraction by experienced optometrist +conventional glasses
group3
Cycloplegic subjective refraction by a "vision technician" trained in the Zhongshan Ophthalmic Center's Rural Refractionist Program
group3
Cycloplegic subjective refraction by Rural Refractionist Program + conventional glasses
group4
Cycloplegic subjective refraction by an experienced optometrist or ophthalmologist
group4
Cycloplegic subjective refraction by an experienced optometrist +ready-made glasses
group1
Non-cycloplegic self-refraction using First Generation, Child-Specific fluid-filled adjustable spectacles and updated self-refraction protocol
group1
Non-cycloplegic self-refraction +conventional glasses
Interventions
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group1
Non-cycloplegic self-refraction +conventional glasses
group2
Cycloplegic subjective refraction by experienced optometrist +conventional glasses
group3
Cycloplegic subjective refraction by Rural Refractionist Program + conventional glasses
group4
Cycloplegic subjective refraction by an experienced optometrist +ready-made glasses
Eligibility Criteria
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Inclusion Criteria
* with \<= -1.00D of myopic refractive error in each eye phase2: - 12-15 years old children from two locations in Guangdong Province
* with uncorrected vision \</= 6/12 in at least one eye thought to be due to refractive error (that is, correctable to at least 6/7.5 with cycloplegic subjective refraction by an optometrist)
Exclusion Criteria
* those with significant strabismus or vision abnormality (keratopathy, cataract, vitreous macular diseases ), or with vision deficiency ( amblyopia ) children are to be excluded.
* Children developing acquired vision problems other than myopia
12 Years
17 Years
ALL
No
Sponsors
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Sun Yat-sen University
OTHER
Responsible Party
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Congdon Nathan
MD,MPH
Principal Investigators
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Nathan G Congdon, MD,MPH
Role: PRINCIPAL_INVESTIGATOR
Department of privetive ophthalmology,zhongshan ophthamic center,Sun Yat-sen University
Locations
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Zhongshan Ophthalmic Center
Guangzhou, Guangdong, China
Countries
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Other Identifiers
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ZOC-WEAR-1
Identifier Type: -
Identifier Source: org_study_id
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