Axial myopia, Curvature myopia, Mixed myopia of Children and Adolescents
Conditions
Interventions
Experimental group:Wear Micro-aperture astigmatism lenses
Control group:Wear ordinary monocal glasses
Sponsors
Fifth Affiliated Hospital, Sun Yat-Sen University
Eligibility
Sex/Gender
All
Age
5 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1. Older than 5 years old and less than or equal to 18 years old, gender is not limited; 2. Diagnosed myopia: after cycloplegia, the equivalent spherical magnicity (SE) of at least one eye is between -0.5D ~ -6.00D (including boundary value); 3. Astigmatism=1.0 (decimal recording method); 6. The subject or his guardian is willing to treat and is willing to sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1. Confirmed pathological myopia; 2. Amblyopia or oblique person; 3. Those with intraocular slant; 4. Other congenital eye diseases; 5. SE<=-6.00D for either or both parents; 6. Patients with abnormal axial length; 7. Those with cataract, glaucoma and other vitreoretinal diseases; 8. Those with a history of atropine drug use; 9. Combined with acute inflammation of the eye; 10. Participated in the same type of clinical trial with controlled myopia progression as the defocus lens in the past three months; 11. Other reasons that the study doctor deems unsuitable for inclusion in the program;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Microaperture defocusing lens delays myopia progression rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Diopter growth value;Axial growth value;Anisometropia in both eyes;Increases in anterior chamber depth, crystal thickness, and vitreous cavity depth;Evaluation of subjects;Incidence of Serious Adverse Event and Adverse Event;The change of diaphanous degree between the two groups; | — |
Countries
China
Contacts
Public ContactLiu Yang
Fifth Affiliated Hospital, Sun Yat-Sen University
Outcome results
None listed