Pre-myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Equivalent spherical power: -0.50 DS < SE = 0.75 DS; 2. Astigmatism <= 1.50 D (cylindrical power); 3. Anisometropia <= 1.50 D (equivalent spherical power); 4. Corrected visual acuity of 1.0 or above; 5. Age: 6-10 years; 6. The subject and their guardian must sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Other eye diseases that affect vision; 2. Severe systemic diseases; 3. Patients with strabismus or amblyopia; 4. Currently using other methods or participating in other studies; 5. Other contraindications for both eyes, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial Length Elongation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of myopia in preclinical myopic children and adolescents at 12 months;Diopter;Best uncorrected distance visual acuity (logMAR visual acuity);Objective visual quality;Choroidal Thickness and Choroidal Capillary Density; | — |
Countries
China
Contacts
Eye Hospital, Wenzhou Medical University