Myopia
Conditions
Interventions
Intervention group:Wear Mingyue compound multi-point defocused lenses
Control group:Wear Mingyue asymmetric multi-point positive defocused lenses
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
8 Years to 12 Years
Inclusion criteria
Inclusion criteria: (1) Age: 8~12 years old (including 8 and 12 years old); (2) binocular equivalent spherical lens: -0.75D~-4.00D; (3) binocular astigmatism =1.50D; (4) binocular spherical anisometropia = 1.50 D; (5) The best far-corrected visual acuity in both eyes =0.8 (+0.10LogMAR); (6) The refractive medium of the examined eye is clear; (7) No eye flutter in both eyes, with good fixation ability; (8) Stop wearing soft contact lenses for more than 1 week, and stop wearing hard contact lenses for more than 1 month; (9) Peripheral defocus lenses, point diffusion myopia control lenses, orthokeratology lenses and multi-focal contact lenses Stop wearing the mirror for more than 3 months; (10) Able to cooperate with various inspections.
Exclusion criteria
Exclusion criteria: (1) strabismus, amblyopia, nystagmus and other eye diseases; (2) adjustment dysfunction and/or non-strabismatic binocular dysfunction; (3) Shallow anterior chamber, narrow chamber Angle or IOP > 21mm Hg; (4) Suffering from eye diseases such as keratitis, pink eye, acute inflammation around the eye, and glaucoma; (5) Have used or are using low concentration atropine eye drops, feeding light meter; (6) Any history of eye surgery; (7) Persons with intellectual disability or mental illness; (8) cardiopulmonary insufficiency; (9) Patients with poor compliance who are considered inappropriate to participate in this clinical trial; (10) Participants who also participated in other myopia control tests.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length;Cycloplegia automatic refraction spherical equivalent degree; | — |
Secondary
| Measure | Time frame |
|---|---|
| Adverse events; | — |
Countries
China
Contacts
Public ContactLongqian Liu
West China Hospital of Sichuan University
Outcome results
None listed