Myopia
Conditions
Interventions
Experimental group 1:Wear Xinnuotong ?defocus lenses
Experimental group 2:Wear Xinleyue ? lenses
Control Group:Wear single vision lenses
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1.Age 8~13 years old (including 8 years old and 13 years old), male or female; 2.After cycloplegia in both eyes, the equivalent spherical power of subjective refraction is -0.75D~-5.00D (including -0.75D and -5.00D), the astigmatism = 1.0 (decimal visual acuity); 4.Except for refractive error, there are no other abnormalities or diseases in both eyes; 5.Patients and guardians are willing to complete the visit and sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1.Overt strabismus or significant abnormalities in binocular visual function; 2.Patients who are using or need to use drugs that may cause dry eyes or affect vision (such as penicillin, streptomycin, chlorampheniol, sulfonamides, isoniazid, etc.) during the follow-up study; 3.Patients with systemic diseases; 4.Have used or are using products that delay the progression of myopia within 3 months, such as specially designed myopia control lenses (including eyeglasses, OK lenses, RGP, multifocal contact lenses, progressive multifocal lenses, etc.), atropine drugs, repetitive low-intensity red light, etc. 5.Other conditions judged by the investigator to be unsuitable for inclusion;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial Length, AL;Sphere Equivalent, SE; | — |
Secondary
| Measure | Time frame |
|---|---|
| Best corrected distance visual acuity;VA?Objective refraction spherical equivalent;Visual function; | — |
Countries
China
Contacts
Public ContactDu Bei
Tianjin Medical University Eye Hospital
Outcome results
None listed