myopia
Conditions
Interventions
Test group B:5.6 mm base curve low aspheric orthokeratology lenses
Test group A:5.6 mm base curve highly aspheric orthokeratology lenses
Control group:5.6 mm base curve spheric orthokeratology lenses
Sponsors
Hangzhou Branch of Eye and Optometry Hospital Affiliated to Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
8 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. Children aged between 8 and 13 years; 2. Binocular best-corrected visual acuity equal to or better than 0.00 LogMAR; 3. Binocular subjective refraction between -1.00 diopters (D) and -4.00 D, astigmatism no more than 1.50 D, anisometropia no more than 1.00 D; 4. Binocular intraocular pressure = 21mmHg.
Exclusion criteria
Exclusion criteria: 1. Children with strabismus, amblyopia, surgery, trauma, ocular or systemic disease, history of neurodevelopmental and systemic diseases affecting refractive developmen; 2. Children with poor corneal topography assessment; 3. No prior use of any other myopia control methods 3 months before enrollment; 4. Allergies to contact lenses or contact lens care systems.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length;higher order aberration;contrast sensitivity; | — |
Secondary
| Measure | Time frame |
|---|---|
| the amount of myopic defocus;Pupil size;Choroidal thickness;Dry eye examination; | — |
Countries
China
Contacts
Public ContactJunhong Chen
Affiliated Eye Hospital of Wenzhou Medical University
Outcome results
None listed