myopia
Conditions
Interventions
SVS-LLLT:Wear myopic frame glasses (optical monocal lens) turn to Low-intensity red-light therapy groups
LLLT-SVS:Low-intensity red-light therapy groups turn to Wear myopic frame glasses (optical monocal lens)
Sponsors
Eye Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
9 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. A Study on the safety and effectiveness of myopia and amblyopia comprehensive therapeutic instrument for controlling myopia progression in children and adolescents that has been previously enrolled and completed. 2. Sign the informed consent form. 3. Patient is capable and willing to follow the study protocol as judged by the investigator.
Exclusion criteria
Exclusion criteria: 1.Have used any myopia control methods within 3 months, such as medications, peripheral defocus frames, and contact lenses (except for the experimental group that has been treated with Low-intensity red-light therapy for one year); 2. Any eye diseases (such as cataracts, congenital retinal diseases, amblyopia, and strabismus); 3. Children with refractive media opacity or refractive media intervention related surgeries, such as cataract surgery, corneal transplantation, corneal leukoplakia, keratoconus, etc.; 4. Presence of systemic diseases that may affect refractive status, such as Marfan syndrome, Macessanne syndrome, type 1 diabetes mellitus, etc.; 5. Shallow anterior chamber, glaucoma, and family history of glaucoma; 6. Children who cannot cooperate with the examination, children who withdraw in the middle of the inspection.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Spherical equivalent;Choroidal thickness; | — |
Countries
China
Contacts
Public ContactChen Jie
Eye Hospital of Wenzhou Medical University
Outcome results
None listed