ametropia,myopia, hyperopia
Conditions
Interventions
Group A:Hyperopia wear regular glasses
Group B:Hyperopia wear new positive astigmatic lenses
Group C:Myopia wear regular glasses
Group D:Myopia wear new negative astigmatic lenses
Sponsors
Affillated Hospital of North Sichuan Medical College
Eligibility
Sex/Gender
All
Age
6 Years to 14 Years
Inclusion criteria
Inclusion criteria: (1) Age 6-14 years; (2) Children suffering from myopia, children suffering from hyperopia who are higher than the current age and need to wear glasses; (3) The best corrected vision of binocular subjective optometry = 0.8; (4) The patient voluntarily participated in and completed the follow-up regularly, and signed the informed consent form.
Exclusion criteria
Exclusion criteria: (1) Have a history of ophthalmic diseases such as amblyopia, visual impairment and congenital cataract; (2) Previous history of ophthalmic surgery; (3) Unable to follow up for a long time, poor compliance; (4) Have used atropine, keratoplastic lens (OK lens) and other drugs or medical devices that may affect choroidal parameters or ocular biological parameters; (5) Drugs that may affect vision (such as eye ointment, eye gel, etc.) are being used or need to be used during the study; (6) Other conditions judged by the researcher to be unsuitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Equivalent spherical diopter of computer optometry under ciliary muscle paralysis;Diopter;Chorioretinal thickness and capillary blood flow density; | — |
Secondary
| Measure | Time frame |
|---|---|
| Anterior chamber depth;Axis length;Lens diopter;Corneal curvature; | — |
Countries
China
Contacts
Public ContactXuan Liao
Affillated Hospital of North Sichuan Medical College
Outcome results
None listed