Myopia
Conditions
Interventions
observation group I:low-intensity single-wavelength red light and ear point
observation group II:low-intensity single-wavelength red light
observation group III:Ear point
Control group:no
Sponsors
Eye Hospital, Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
5 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1) Children and adolescents aged 5-12 years old. 2) Myopia tendency: ? regulatory myopia (pseudomyopia); ? binocular hyperopia reserve is lower than the reference normal value of children of the same age (insufficient hyperopia reserve); ? binocular equivalent-0.50D.; ? 1.50D; ? binocular anisometropia 1.50D; ? 0.8 (log vision 4. 9); ? There are risk factors for myopia, such as myopia in both parents or high myopia; excessive eye growth or refraction (from hyperopia to myopia or myopia); excessive close eye time; significantly less outdoor time. 3) Children and adolescents with low grade myopia: diagnosis of myopia after ? cycloplegia, namely-0.50D; ? -3.00D; ? 1.0 (5.0); ? 1.50D; ? 1.50D. 4) The guardian has signed the informed consent form. 5) The subjects are willing to treat and can follow up the follow-up requirements of the study, and each test group should conduct corresponding intervention and scientific eye health education and education according to the requirements.
Exclusion criteria
Exclusion criteria: 1) Children who have already been diagnosed with strabismus and amblyopia; 2) Participated in any clinical study related to myopia prevention and control within 3 months; have used or are currently using myopia prevention and control products; 3) Secondary myopia caused by congenital eye disease or infant eye diseases, such as congenital cataract, congenital retinal disease, and retinopathy of prematurity; 4) The refractive media opacity (such as corneal lesions, crystal opacity, etc.) 5) Abnormal intraocular pressure (intraocular pressure 21mmHg or binocular intraocular pressure difference of 5mmHg); 6) Patients with optic nerve damage or congenital optic nerve dysfunction; 7) Suffering from systemic diseases that may affect the eyes, such as diabetes mellitus, Down syndrome, hyperthyroidism, etc 8) Only the single eye meets the inclusion criteria; 9) Those who cannot perform eye examinations regularly (or if the guardian of the minor cannot accompany the minor regularly); 10) Other reasons that the study doctor considered were not suitable for inclusion in the project.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| axis oculi;Diopter; | — |
Secondary
| Measure | Time frame |
|---|---|
| Best corrected vision; | — |
Countries
China
Contacts
Public ContactXiang Shengjin
Eye Hospital, Wenzhou Medical University
Outcome results
None listed