Myopia
Conditions
Interventions
MYODISC defocusing lenses group:Wearing MYODISC defocusing lenses all day
Single vision lens (SVL) group:Wearing SVL lenses all day
Sponsors
Affiliated Hospital of North Sichuan Medical College
Eligibility
Sex/Gender
All
Age
8 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. Age between 8 and 13 years; 2. No restriction on gender; 3. Spherical equivalent refractive error between –1.00 and –5.75 D; 4. Astigmatism <= –1.50 D; 5. Anisometropia <= 1.00 D; 6. Best-corrected visual acuity in each eye not worse than 20/20; 7. Strabismus angle not exceeding 20?; 8. Adequate cognitive function to cooperate with examinations; 9. Willingness to participate in follow-up visits; 10. Willingness to participate in this study and provide informed consent.
Exclusion criteria
Exclusion criteria: 1. Restricted activity due to medical illness, medication, or emotional state; 2. With organic diseases of the eye or other body systems; 3. History of ocular surgery; 4. Concurrent use of other medications that may affect vision; 5. Worn contact lenses within the past month; 6. Used other myopia control methods within the past year (e.g., other defocus lenses, progressive lenses, bifocal lenses, bifocal prisms, orthokeratology lenses, defocus soft contact lenses, defocus RGP lenses, atropine, etc.); 7. Participated in other studies that may directly or indirectly influence clinical outcomes within the past month; 8. Subjects unable to communicate or follow study instructions; 9. Other conditions deemed unsuitable for participation in this clinical trial by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Spherical equivalent;Uncorrected Visual Acuity;Presenting Visual Acuity;Best Corrected Visual Acuity; | — |
Countries
China
Contacts
Public ContactTan Qingqing
Department of Ophthalmology, Affiliated Hospital of North Sichuan Medical College
Outcome results
None listed