Myopia
Conditions
Interventions
Group 1:Normal jessen factor Orthokeratology
Group 2:Increased jessen factor Orthokeratology
Sponsors
Department of Ophthalmology, West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 38 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-38 years old; 2. Refractive errors: Cycloplegic manifest ocular refraction in either eye; Spherical equivalent refraction >= -5.00D and = -1.5D; Astigmatism <= 1.50DC for axis 180±30; 3. Visual acuity: Monocular ETDRS 20/25 or better; 4. Health No contraindication for contact lens wear; 5. No refractive surgery; 6. Available for scheduled and unscheduled visits (if deemed necessary by examiner) at the West China Hospital for 12 months after treatment commences; 7. Sleep at least six hours per night; 8. Myopia correction (e.g. wear glasses, wear contact lenses) in daily life.
Exclusion criteria
Exclusion criteria: Nil
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subjective and objective refraction;High and low contrast acuity;Axial length;nterior chamber depth;Wavefront aberration;Corneal topography;Corneal hysteresis;corneal resistance factor;Corneal endothelium;central corneal thickness;Slit-lamp examination;Satisfaction questionnaire; | — |
Countries
China
Contacts
Public ContactYang Bi
West China Hospital, Sichuan University
Outcome results
None listed