Myopia
Conditions
Interventions
Experimental group1:HAL lenses
nSVL lenses control group:Nil
Sponsors
Eye Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
11 Years to 16 Years
Inclusion criteria
Inclusion criteria: 1.Aged 11 to 16 years; 2.Spherical refractive error of -0.75 to -7.00 D in each eye (spherical equivalent), as measured by cycloplegic autorefraction; 3.Cylindrical component of the refractive error within the range of [-3.00 to 0.00 D] in both eyes; 4.Anisometropia = 0.9 as Snellen) ; 6.No strabismus by cover test at near and distance; 7.Absence of ocular disease with full ophthalmic examination, such as retinal disease, cataract and ptosis. Good general health, without systemic or neurodevelopmental conditions. Without ocular or systemic medicine, which might affect myopia progression or visual acuity through known effects on retina, accommodation or significant elevation of intraocular pressure.
Exclusion criteria
Exclusion criteria: None
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| refraction; | — |
Countries
China
Contacts
Public ContactBao Jinhua
Eye Hospital of Wenzhou Medical University
Outcome results
None listed