Status:
COMPLETED
Myopia Control With the Multi-segment Lens
Lead Sponsor:
The Hong Kong Polytechnic University
Collaborating Sponsors:
HOYA Corporation (Tokyo, Japan)
Conditions:
Myopia
Eligibility:
All Genders
8-13 years
Phase:
NA
Brief Summary
The purpose of this study is to determine if the Multiple-Segment (MS) spectacle lens can slow myopia progression in Hong Kong schoolchildren. MS lens is also called Defocus Incorporated Multiple Seg...
Detailed Description
MS lens is a novel lens designed in attempt to slow myopia progression. It is a multifocal spectacle lens which corrects distance refractive error and at the same time produces myopic defocus images o...
Eligibility Criteria
Inclusion
- Age at enrolment: 8-13 year
- Spherical equivalent refractions (SER): -1.00 to -5.00 Dioptres (D)
- Astigmatism and anisometropia of 1.50 D or less
- Spectacle corrected monocular logMAR visual acuity: 0 or better
- Parents' understanding and acceptance of random allocation of grouping
Exclusion
- any ocular and systemic abnormalities might affect visual functions or refractive development
- prior treatment of myopic control, e.g. drugs, orthokeratology, progressive addition lenses, bifocal lenses, drugs (e.g. atropine), etc.
Key Trial Info
Start Date :
August 1 2014
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
July 1 2017
Estimated Enrollment :
183 Patients enrolled
Trial Details
Trial ID
NCT02206217
Start Date
August 1 2014
End Date
July 1 2017
Last Update
July 2 2020
Active Locations (2)
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1
Centre for Myopia Research, The Hong Kong Polytechnic University
Hong Kong, China
2
Centre for Myopia Research, The Hong Kong Polytechnic University
Hong Kong, Hong Kong