Myopia
Conditions
Interventions
Experimental group:Fit myopia prevention and control lenses with micro-nano structures
Control group:Fitting ordinary single-light lenses
Sponsors
Bejing Tongren Hospital, Capital Medical Uniersity
Eligibility
Sex/Gender
All
Age
6 Years to 14 Years
Inclusion criteria
Inclusion criteria: 1.Age: 6 to 14 years old, gender not limited; 2.The refractive status meets the following conditions: a) The equivalent spherical dioptometry of both eyes detected by computerized refraction after ciliary muscle paralysis is between -0.50D and -6.00D (including -0.50D and -6.00D); b) After ciliary muscle paralysis, the astigmatism of both eyes detected by computerized refraction was <=2.0D. c) After ciliary muscle paralysis, the anisometropia of both eyes detected by computerized refraction is <=2.00D; 3.Intraocular pressure in both eyes is normal (greater than or equal to 10mmHg, less than or equal to 21mmHg); 4.The best corrected distant visual acuity of either eye is better than or equal to 1.0; 5.There is no amblyopia in both eyes or any other pathological changes of the eyeballs; 6.The patient himself/herself clearly understood and voluntarily participated in this study, and the informed consent form was signed by himself/herself and his/her parents/guardians;
Exclusion criteria
Exclusion criteria: 1.There are any ocular or systemic diseases that may be related to the development of myopia or affect the refractive state of the eye (such as congenital cataracts, retinopathy of prematurity, Marfan syndrome, diabetes, etc.), or the drug treatment of the disease may affect vision; 2.There is explicit strabismus or obvious binocular visual function abnormalities; 3.Unwilling to cooperate with the visitor; 4.Other circumstances under which the researcher judged that the patient was not suitable for inclusion;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fundus indicators;Intraocular pressure;Diopter;Axial length of the eye; | — |
Countries
China
Contacts
Public ContactLei Tian
Bejing Tongren Hospital, Capital Medical Uniersity
Outcome results
None listed