Myopia
Conditions
Interventions
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Age 7-12, 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, etc.) during follow-up study; (4) People with systemic diseases; (5) Products that have been used or are being used within one year to delay the progress of myopia, such as specially designed myopia control lenses (including frame glasses, OK lenses, RGP, multifocal contact lenses, progressive multifocal lenses, etc.), atropine drugs, and feeding instruments; (6) Other circumstances that the researcher judges are not suitable for inclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| axial length;autorefraction diopter; | — |
Countries
China
Contacts
Public ContactLongqian Liu
West China Hospital, Sichuan University
Outcome results
None listed