An Evaluation of the Effectiveness of Dual Focus Soft Contact Lenses in Slowing Mypoia Progression
NCT ID: NCT01729208
Last Updated: 2020-02-24
Study Results
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View full resultsBasic Information
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COMPLETED
NA
144 participants
INTERVENTIONAL
2012-11-30
2019-05-31
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
TREATMENT
DOUBLE
Study Groups
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Dual Focus Soft Contact Lens
Dual Focus Soft Contact Lens
Dual Focus Soft Contact Lens
Single Vision Soft Contact Lens
Single Vision Soft Contact Lens
Single Vision Soft Contact Lens
Interventions
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Dual Focus Soft Contact Lens
Single Vision Soft Contact Lens
Eligibility Criteria
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Inclusion Criteria
* Best-corrected visual acuity by manifest refraction of +0.10 logMAR.
* Spherical Equivalent Refractive Error between -0.75 and -4.00 D
* inclusive astigmatism: \< -0.75 D and anisometropia: \< 1.00 D
* Possess wearable and visually functional eyeglasses.
* Agree to wear the assigned contact lenses for a minimum of 10 hours per day, - at least 6 days per week, for the duration of the 3 year study.
Exclusion Criteria
* Subject is currently or within 30 days prior to this study has been an active participant in another clinical study.
* Current or prior use of bifocals, progressive addition lenses, atropine, pirenzepine or ANY other myopia control treatment.
* Regular use of ocular medications (prescription or over-the-counter), artificial tears, or wetting agents.
* Current use of systemic medications which may significantly affect contact lens wear, tear film production, pupil size, accommodation or refractive state.
* A known allergy to fluorescein, benoxinate, proparacaine or tropicamide.
* Strabismus by cover test at far (4 m) or near (40 cm) wearing distance correction.
* Any ocular, systemic or neuro-developmental conditions that could influence refractive development.
8 Years
12 Years
ALL
No
Sponsors
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Visioncare Research Ltd.
OTHER
CooperVision, Inc.
INDUSTRY
Responsible Party
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Principal Investigators
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José Manuel González-Méijome
Role: PRINCIPAL_INVESTIGATOR
University of Minho
Locations
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University of Waterloo School of Optometry
Waterloo, Ontario, Canada
University of Minho Clinical & Experiment Optometry Research Lab
Braga, , Portugal
National University of Singapore Faculty of Medicine
Singapore, , Singapore
Aston University Ophthalmic Research Group
Birmingham, , United Kingdom
Countries
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References
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Chamberlain P, Hammond DS, Bradley A, Arumugam B, Richdale K, McNally J, Hunt C, Young G. Eye growth and myopia progression following cessation of myopia control therapy with a dual-focus soft contact lens. Optom Vis Sci. 2025 May 1;102(5):353-358. doi: 10.1097/OPX.0000000000002244. Epub 2025 Mar 24.
Chamberlain P, Bradley A, Arumugam B, Hammond D, McNally J, Logan NS, Jones D, Ngo C, Peixoto-de-Matos SC, Hunt C, Young G. Long-term Effect of Dual-focus Contact Lenses on Myopia Progression in Children: A 6-year Multicenter Clinical Trial. Optom Vis Sci. 2022 Mar 1;99(3):204-212. doi: 10.1097/OPX.0000000000001873.
Chamberlain P, Peixoto-de-Matos SC, Logan NS, Ngo C, Jones D, Young G. A 3-year Randomized Clinical Trial of MiSight Lenses for Myopia Control. Optom Vis Sci. 2019 Aug;96(8):556-567. doi: 10.1097/OPX.0000000000001410.
Provided Documents
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Document Type: Study Protocol
Document Type: Statistical Analysis Plan
Other Identifiers
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CVI08008
Identifier Type: -
Identifier Source: org_study_id
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