myopia
Conditions
Interventions
Software fitting group:Fitting orthokeratology lenses through software
Trial fitting group:Fitting orthokeratology lenses through trial lens
Sponsors
West China hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
8 Years to 18 Years
Inclusion criteria
Inclusion criteria: (1) 8 years old = age = 18 years old, men and women are not limited; (2) Spherical refractive error between -4.00 D and -0.75 D (including -1.00D and -4.00D), astigmatism <= 1.50D; (3) The best corrected visual acuity in a single eye is no worse than 1.0; (4) Subjects and their guardians understand the content of the study and sign an informed consent form voluntarily.
Exclusion criteria
Exclusion criteria: (1) Have used or are using products that can slow myopia progression within 3 months, such as specially designed myopia control lenses (including frame glasses, OK lenses, RGP, multifocal contact lenses, progressive multifocal lenses, etc.), atropine, and repeated low-level red-light therapy; (2) Systemic or ocular conditions that unsuitable for orthokeratology enses.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual acuity;Subjective refraction;Objective refraction;Corneal Topography;Slit lamp examination;Specular microscope; | — |
Secondary
| Measure | Time frame |
|---|---|
| Axial length;intraocular pressure examination;Fundus examination;Tear film breakup time;Vision-related questionnaire; | — |
Countries
China
Contacts
Public ContactLongqian Liu
West China Hospital, Sichuan University
Outcome results
None listed