myopia
Conditions
Interventions
experimental group:artificial natural light
control group:Nil
Sponsors
The Second Hospital of Foshan
Eligibility
Sex/Gender
All
Age
7 Years to 10 Years
Inclusion criteria
Inclusion criteria: Grade two and grade three students of public primary school in Chancheng District.
Exclusion criteria
Exclusion criteria: 1) School age children who used low concentration atropine eye drops or orthokeratology lens for myopia control; 2) School age children with strabismus and amblyopia; 3) With congenital eye diseases, such as congenital cataract, congenital retinal disease; 4) Secondary myopia (e.g. secondary myopia caused by retinopathy of prematurity or other eye diseases in infancy), or myopia with the systemic syndrome (such as Marfan syndrome); 5) Those who have undergone myopia correction (LASIK, etc.) and intraocular surgery (such as cataract extraction, intraocular lens implantation, etc.); 6) The refractive medium is turbid (such as keratopathy, lens opacity, etc.); 7) Patients with fundus retinopathy or other intraocular diseases; 8) Patients with optic nerve damage or congenital optic nerve dysfunction; 9) Other reasons that doctors think are not suitable to be included in the project.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| optical axial length;myopia incidence rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| refraction; | — |
Countries
China
Contacts
Public ContactKong Xiangbin
The Second Hospital of Foshan
Outcome results
None listed