Myopia
Conditions
Interventions
Control group:Experiential fitting of corneal orthokeratology lens
Test group:Artificial intelligence fitting corneal orthokeratology lens
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 16 Years
Inclusion criteria
Inclusion criteria: 8-16 years old, regardless of gender; The refractive error range after bilateral ciliary muscle paralysis is -1.00D to -3.00D, with astigmatism = -1.50D, the difference between the equivalent spherical lenses of both eyes is less than 1.00D; The best corrected visual acuity for both eye frames is = 0.8; Both eyes are normal eyes with no other abnormalities or diseases except for refractive errors; Tear film rupture time = 8 seconds; The intraocular pressure is 10-21mmHg.
Exclusion criteria
Exclusion criteria: Within one month, systemic or local use of drugs such as atropine that may affect eye axis development; Have used or are currently using specially designed myopia control lenses (including defocused frame glasses, OK lenses, and defocused soft lenses, etc.) within one month; The examination results indicate contraindications or unsuitability for wearing rigid breathable contact lenses; Suffering from diabetes, asthma, low immunity and other systemic diseases; Corneal contact lens intolerance.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual acuity;Topography;Axial Length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Effective defocus volume of the entrance pupil;Corneal staining assessment; | — |
Countries
China
Contacts
Public ContactYu Zhang
Peking University Third Hospital
Outcome results
None listed