ametropia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age 8-15, male or female (2) The diopter of objective refraction spherical lens under mydriasis of both eyes is -0.75D~-5.00D (including -0.75D and -5.00D), and the astigmatism is = -1.50D, and the diopter deviation of both eyes behind the equivalent spherical lens is = 1.00D; (3) The best corrected visual acuity of binocular subjective optometry was = 1.0; (4) There were no other abnormalities or diseases in both eyes except for ametropia; (5) The patient is willing to complete the visit and sign the informed consent form.
Exclusion criteria
Exclusion criteria: (1) Premature infants; (2) Strabismus or binocular vision abnormalities; (3) Patients who are using or need to use drugs that may cause dry eyes or affect vision (such as penicillin, streptomycin, chloramphenicol, sulfonamides, isoniazid, ethambutol, etc.) during follow-up study; (4) People with systemic diseases; (5) Products that have used or are using to delay the progress of myopia within one year, such as specially designed myopia control lenses (including frame glasses, OK lenses, RGP, multifocal contact lenses, progressive multifocal lenses, etc.), atropine drugs; (6) Other circumstances that the researcher judges are not suitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Computer optometry equivalent spherical under ciliary muscle paralysis;Diopter; | — |
Secondary
| Measure | Time frame |
|---|---|
| Axial length;Blood flow density of retina and choroid; | — |
Countries
China
Contacts
The 2nd Affiliated Hospital of Medical College, Zhejiang University