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Sponsors and Collaborators: |
Essilor International Queensland University of Technology |
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Information provided by: | Essilor International |
ClinicalTrials.gov Identifier: | NCT00787579 |
Condition | Intervention |
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Myopia |
Device: Bifocal spectacles Device: Prismatic bifocal spectacles |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Open Label, Parallel Assignment |
Official Title: | Assessment of Bifocal and Prismatic Bifocal Spectacles for Myopia Control in Children |
Enrollment: | 135 |
Study Start Date: | April 2003 |
Primary Completion Date: | April 2008 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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Bifocal spectacles: Active Comparator |
Device: Bifocal spectacles
+1.50D bifocal spectacles
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Prismatic bifocals: Active Comparator |
Device: Prismatic bifocal spectacles
+1.50D bifocal spectacles combined with 3Δ base-in prisms
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Single vision spectacles: No Intervention |
Ages Eligible for Study: | 8 Years to 13 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
Exclusion Criteria:
Canada, Ontario | |
Dr. Desmond Cheng & Associates | |
Mississauga, Ontario, Canada, L5N 7G5 |
Principal Investigator: | Desmond Cheng, OD, MSc | Queensland University of Technology |
Responsible Party: | Essilor International ( Desmond Cheng ) |
Study ID Numbers: | Essilor |
Study First Received: | November 4, 2008 |
Last Updated: | November 6, 2008 |
ClinicalTrials.gov Identifier: | NCT00787579 History of Changes |
Health Authority: | Australia: National Health and Medical Research Council |
Myopia, bifocal, children |
Eye Diseases Myopia Refractive Errors |
Eye Diseases Myopia Refractive Errors |