Myopia
Conditions
Interventions
Group 1:One point frame glasses
Group 2:Circular cylindrical mirror modulated frame glasses (compact)
Group 3:Circular cylindrical mirror modulated frame glasses (strong defocus)
Sponsors
Ophthalmology Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
6 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. Aged 6 to 13 years old, the written consent of the guardian is required, and the gender is not limited; 2. The spherical equivalent of objective refraction under binocular dilation is between -0.75D (inclusive) and -5.00D (inclusive) (based on the average value of objective refraction examination), and the subjective refraction of left and right eyes is the best Corrected visual acuity greater than or equal to 1.0; astigmatism less than or equal to 1.50D (refer to the subjective refraction before astigmatism), and anisometropia of both eyes after equivalent spherical lens is less than or equal to 1.50D; 3. Voluntarily participate in this clinical trial and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Those who have a history of ocular trauma or intraocular surgery; 2. Clinically meaningful slit lamp findings; 3. Fundus examination results >=grade 2; 4. Abnormal intraocular pressure (intraocular pressure 21mmHg or intraocular pressure difference >=5mmHg); 5. Patients with other ocular diseases, such as uveitis and other inflammations, glaucoma, cataracts, fundus diseases, ocular tumors, ocular trauma, overt strabismus; and any ocular lesions that affect visual function; 6. Patients with systemic diseases that cause immunocompromised patients (such as acute and chronic sinusitis, diabetes, Down syndrome, rheumatoid arthritis, psychiatric patients or other diseases that researchers think are not suitable for wearing glasses, etc.) ; 7. Those who have participated in drug clinical trials within 3 months; 8. Those who cannot conduct regular eye examinations; 9. Have participated in any myopia control clinical research trials within three months, previously used or are currently using hard contact lenses (including nursing products), multifocal contact lenses, progressive multifocal lenses and other specially designed myopia control lenses, atropine drugs, etc.; 10. Overt strabismus; 11. Amblyopia in any eye; 12. The investigators determine that they cannot be selected.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ocular axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Spherical equivalent objective optometry after ciliary muscle paralysis;Main sensory optometry; | — |
Countries
China
Contacts
Public ContactMao Xinjie
Eye hospital of Wenzhou Medical University
Outcome results
None listed