Status:
UNKNOWN
Monthly Replacement Orthokeratology for Myopia Control in Young Children
Lead Sponsor:
The Hong Kong Polytechnic University
Collaborating Sponsors:
Menicon Co., Ltd.
Conditions:
Myopic Progression
Eligibility:
All Genders
6-10 years
Phase:
NA
Brief Summary
The two-year prospective study aims at investigating frequently replacement effect on myopia control in young children, and the use of weekly protein removal system in monthly replacement modality ort...
Detailed Description
In this two-year prospective study, low myopic children, aged 6-8 years, who have no prior experience in contact lens wear and myopia control treatment will be recruited. They will be prescribed with ...
Eligibility Criteria
Inclusion
- Aged 6-10 years
- Normal ocular and general condition and not on medication which may contraindicate ortho-k lens wear
- Refractive sphere between -0.75 to -4.00 D, refractive cylinder ≤ -1.50 D and anisometropia ≤ -1.00 D
- Best correctable vision better than 0.08 logMAR in the worse eye
- Normal binocular function and accommodative status
- No prior experience in contact lens wear and myopia control treatment
Exclusion
- Strabismus at distance or near
- Contraindication for ortho-k lens wear
- Prior history of ocular surgery, trauma, or chronic ocular disease
- Systemic or ocular conditions that may interfere refractive development
- Systemic or ocular conditions that may interfere tear quality and contact lens wear
- Poor response to the use of study lenses
- Poor compliance to test procedures
- Poor compliance to the use of ortho-k lenses (e.g. use of solution, use of lenses)
- Poor compliance to follow-up schedule
Key Trial Info
Start Date :
July 7 2020
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
August 1 2023
Estimated Enrollment :
30 Patients enrolled
Trial Details
Trial ID
NCT04293328
Start Date
July 7 2020
End Date
August 1 2023
Last Update
July 20 2022
Active Locations (1)
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1
School of Optometry, The Hong Kong Polytechnic University
Kowloon, Hong Kong