myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) 6 to 13 years old; 2) Equivalent spherical lenses<-0.5D ; 3) Astigmatism <1.5D; refractive error <1.5D; 4) No strabismus amblyopia or any other eye diseases; 5) Participate in the test voluntarily and the guardian signs the informed consent form.
Exclusion criteria
Exclusion criteria: 1) History of eye surgery and trauma affecting the refractive state of the eye; 2) History of preterm labor systemic diseases or mental illnesses that affect eye health; 3) Those who have used treatment modalities such as optical intervention or drug intervention within 1 month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| spherical equivalent;axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| uncorrected visual acuity;corneal curvature; | — |
Countries
china
Contacts
Zhoupu Hospital Pudong New District Shanghai