Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age at enrollment ranged from 8 to 12 years, both sexes; 2. The patient was diagnosed as nearsighted according to the Guidelines for Prevention and Treatment of Myopia issued by the General Office of the National Health Commission (Medical Letter [2018] No. 393); 3. Optometry after cycloplegia in both eyes -- 0.75D=SE < -6.00D; Anisometropia & LT; 4. 1.5 D; 5. Monocular international standard logarithmic visual acuity =5.0 after glasses correction; 6. No other organic lesions affecting vision in both eyes; 7. Subjects and guardians can understand the purpose of this trial and sign the informed consent. Subjects can cooperate with the treatment and related ophthalmic examination.
Exclusion criteria
Exclusion criteria: 1. Strabismus and/or amblyopia; 2. The deviation exceeds ±5 circumferential degree (1 circumferential degree =1.75 prism degree); 3. Astigmatism greater than 2.50D; 4. Previous eye surgery (including strabismus surgery); Congenital color vision disorder (color blindness); 5. 6. Any ocular, systemic or other diseases that may be related to myopia or affect refractive development, such as Marfan syndrome, retinopathy of prematurity, diabetes mellitus; 7. Any eye injury or corneal, conjunctival or eyelid disease (including keratoconus and herpetic keratitis), fundus lesions; 8. Worn bifocal glasses, progressive glasses, orthokeratology glasses, bifocal contact lenses or other functional lenses within 3 months; 9. Orthopaedic therapy or vision training is currently under way; 10. Had used atropine ophthalmic medicine in the past 3 months; 11. Photophobia or inability to open eyes properly; 12. Any physiological structure, skin or other condition that may affect the wearing of glasses; 13. Participated in other clinical trials 4 weeks before enrollment; 14. The subject has an acute or chronic disease (including other existing acute or chronic pain) or mental illness, which may increase the risk associated with participating in the study or using the investigational products or may affect the interpretation of the study results, and in the judgment of the investigator or a medically qualified designee, These conditions make the subjects unsuitable for enrollment in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Spherical equivalent;Choroidal thickness; | — |
Countries
China
Contacts
Eye Hospital, WMU Zhejiang Eye Hospital