Myopia
Conditions
Interventions
Experimental group:Yang Yixing defocus lens
Sponsors
Bejing Tongren Hospital, Capital Medical Uniersity
Eligibility
Sex/Gender
All
Age
6 Years to 14 Years
Inclusion criteria
Inclusion criteria: 1. The age ranged from 6 to 14 years, both sexes; 2. The refractive status met the following conditions: a) the spherical equivalent was between -0.50D and -6.00D (including -0.50D and -6.00D); b) astigmatism = 10mmHg, < 21mmHg); 4. Best corrected distance visual acuity of either eye better than or equal to 1.0; 5. There was no amblyopia or other ocular pathological changes in both eyes;
Exclusion criteria
Exclusion criteria: 1. One eye met the inclusion criteria; 2. There are any ocular or systemic diseases (such as congenital cataract, retinopathy of prematurity, Marfan syndrome, diabetes, etc.) that may be related to the development of myopia or affect the refractive state of the eye, or the medical treatment of the disease will affect the vision; 3. manifest strabismus or obvious binocular vision dysfunction; 4. Unwilling to cooperate with visitors; 5. other conditions for which the patient was deemed ineligible by the investigator;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Spherical equivalent mirror;Axial length of eye;Corrected vision;Best corrected visual acuity; | — |
Countries
China
Contacts
Public ContactLei Tian
Bejing Tongren Hospital, Capital Medical Uniersity
Outcome results
None listed