Myopia
Conditions
Interventions
Test group A:Wearing DISCmate defocus lens
Control group B:Wearing Hoya DIMS lenses
Sponsors
Tianjin Eye Hospital
Eligibility
Sex/Gender
All
Age
5 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. 5-12 years 2. SER: -1.00 to -5.00 diopter (D) 3. Astigmatism and refractive error <=1.50D 4. Best corrected visual acuity (VA) of 1.0 or better in one eye 5. Acceptance of newly designed lenses 6. Voluntarily participate in this clinical trial and sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1. strabismus and binocular vision abnormalities 2. history of corneal surgery or eye surgery within 1 year; 3. eyelid abnormalities or infections; 4. having other active eye diseases; 5. abnormal intraocular pressure (intraocular pressure 21mmHg or difference in intraocular pressure between both eyes >=5mmHg); 6. Suffering from systemic diseases that may affect the eyes, such as sinusitis, diabetes, Down's syndrome, hyperthyroidism, rheumatoid arthritis, or other diseases that researchers believe preclude the wearing of off-focus framed lenses; 7. Those who require concomitant treatment with therapeutic eye drops, including antibiotics, pupil dilators, corticosteroid hormones and combination eye drops containing corticosteroids; 8. have selected myopia prevention and control measures (e.g., atropine, keratoplasty, defocused lenses) within the past month 9. Those who are judged by the investigator to be ineligible for enrollment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Spherical Equivalent refractive error;binocular vision function; | — |
Countries
China
Contacts
Public ContactLi Lihua
Tianjin Eye Hospital
Outcome results
None listed