Status:
UNKNOWN
Effects of Different Designs of Orthokeratology Lens on Myopia Control and Visual Quality
Lead Sponsor:
Tianjin Eye Hospital
Conditions:
Myopic Progression
Eligibility:
All Genders
8-13 years
Phase:
NA
Brief Summary
This study was aimed to evaluate the effects of different Orthokeratology，including the size of central optical zone and the height of peripheral reverse curve, on myopia control and visual quality.
Detailed Description
This study was aimed to evaluate the effects of different Orthokeratology on myopia control and visual quality. The different optical zone of Orthokeratology lens was divided into 4 groups, ranged fro...
Eligibility Criteria
Inclusion
- Myopia: between -1.00D and 4.00D in both eyes
- Astigmatism: \<1.5D for with-the-rule astigmatism, \<1.00D for the against-the-rule astigmatism
- Visual acuity: the best corrected vision acuity(BCVA)≥20/20 in both eyes
- Subjects that volunteer to participate in the clinical trial and sign informed consent
Exclusion
- Contraindications of wearing Ortho-K.
- Diagnosis of strabismus, amblyopia and other refractive development of the eye or systemic diseases.
- Any type of strabismus or amblyopia
- Systemic condition which might affect refractive development (for example, Down syndrome, Marfan's syndrome)
- Ocular conditions which might affect the refractive error (for example, cataract, ptosis)
Key Trial Info
Start Date :
December 10 2021
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 31 2025
Estimated Enrollment :
200 Patients enrolled
Trial Details
Trial ID
NCT05192824
Start Date
December 10 2021
End Date
December 31 2025
Last Update
January 14 2022
Active Locations (1)
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1
Tianjin Eye Hospital
Tianjin, Tianjin Municipality, China, 300020