Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adolescents, aged 6 to 12 years; 2. Binocular diopters (after cycloplegic computer refraction) : Part 1: -0.50 to -4.50D (including -0.50D and -4.50D); Part 2: +2.00 ~-0.50 (not including -0.50D, including +2.00D) 3. Astigmatism =-1.50D; 4. Willing to wear glasses and willing to undergo randomization 5. Cooperate with the follow-up review time and the examination partners
Exclusion criteria
Exclusion criteria: 1. Intraocular pressure > 21mmhg 2. Those with obvious inclinations; 3. Binocular accommodation dysfunction; 4. The best corrected visual acuity (VA) of any eye was less than 4.9; 5. Eye diseases (except ametropia) and systemic diseases affecting visual development; 6. History of ocular or systemic surgery affecting eye development; 7. Wearing defocus lenses or using low concentration atropine eye drops within 3 months; Wearing OK lenses or other myopia interventions (e.g., red light-related treatments) within 6 months 8. History of systemic medication (drugs that affect growth and development, such as growth hormone) 9. Currently participating in any myopia control clinical research trial 10. Any other circumstances deemed by the investigator to be inappropriate for trial participation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Refraction;Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Choroidal blood flow; | — |
Countries
China
Contacts
The Eye Hospital of Wenzhou Medical University