Myopia
Conditions
Interventions
Experimental Group A:Wearing IBrightB defocus lens
Experimental Group B:Wearing IBrightM defocus lens
Sponsors
Tianjin Eye Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 13 Years
Inclusion criteria
Inclusion criteria: 1. 8 -13 years old 2. SER: -0.75D and -5.00D (including-0.75D and -5.00D) in both eyes; astigmatism <=1.50D, refractive error <=1.50D 3. Best-corrected visual acuity in one eye of 0.0 LogMAR or better 4. Ability to comply with the requirements for spectacle wear (at least 10 hours per day) during the study; 5. Patients and their guardians were willing to complete the interviews
Exclusion criteria
Exclusion criteria: 1. Premature infants (earlier than 30 weeks or <1500 g); 2. Products that have been used or are being used within one month to slow myopia progression, such as specially designed myopia-control lenses, and atropine-type medications; 3. Ocular and systemic anomalies that may affect visual function or refractive development, and that in the judgment of the investigator are not appropriate for wear; 4. Patients who are using or need to use drugs that may cause dry eyes or affect vision during the follow-up study (e.g., penicillin, streptomycin, chloramphenicol, sulfonamides, isoniazid, etc.); 5. Known allergy to oxybutynin, proparacaine, or tropicamide; 6. Conspicuous strabismus or obvious binocular visual anomalies; 7. Concurrent participation in other clinical trials
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length;Binocular vision function;Eye movement; | — |
Countries
China
Contacts
Public ContactLi Lihua
Tianjin Eye Hospital
Outcome results
None listed