Myopia
Conditions
Interventions
Intervention group:Wearing Defocus Incorporated Multi-point Lenses
Control group:Wearing Single Vision Lenses
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
6 Years to 16 Years
Inclusion criteria
Inclusion criteria: 1. Aged between 6-16 years; 2. Diopter of binocular lens: -0.75D- -7.50D; 3. Binocular astigmatism =1.0 (decimal recording method); 6. The refractive medium of the inspected eye is clear; 7. No nystagmus in both eyes, good vision fixation ability; 8. Stop wearing soft contact lenses for more than 1 week, stop wearing hard contact lenses for more than 1 month, and stop wearing orthokeratology lenses for more than 3 months; 9. Able to cooperate with various inspections.
Exclusion criteria
Exclusion criteria: 1. Strabismus, amblyopia and other eye diseases; 2. Accommodation dysfunction and/or non-strabismus binocular vision dysfunction; 3. Shallow anterior chamber, narrow angle or intraocular pressure > 21mm Hg; 4. Suffering from keratitis, pink eye, acute inflammation around the eye, glaucoma and other eye diseases; 5. Contact lens wearers (including those who wear contact lenses during the study period); 6. Any history of eye surgery; 7. Intellectual disability or mental illness; 8. Cardiopulmonary insufficiency; 9. Those with poor compliance, and the researchers believe that it is not suitable to participate in this clinical trial; 10. Participate in other lens tests at the same time.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length;Diopter; | — |
Countries
China
Contacts
Public ContactLiu Longqian
Outcome results
None listed