Myopia and myopic astigmatism
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - spherical power of subjective refraction is -4.00D ~ -0.50D - cylindrical power of subjective refraction is -1.50D ~ 0.00D - willing to come to the clinic for 2 years at least - willing to wear orthokeratology lenses or single-vision spectacle
Exclusion criteria
Exclusion criteria: - having any eye diseases except ametropia - having the history of any eye surgeries - having the history of any treatments for myopia control (orthokeratology, multi focal contact lenses or spectacles. atropine etc.) in last 6 month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change of retinal structure with axial elongation in 2 years (If an additional consent from the patient can be obtained, the change will be evaluated from the third year onward as well. Consent will be obtained every two years.) | — |
Secondary
| Measure | Time frame |
|---|---|
| Change of corneal shape, corneal biomechanics, choroidal thickness and wavefront aberration with axial elongation in 2 years (If an additional consent from the patient can be obtained, the change will be evaluated from the third year onward as well. Consent will be obtained every two years.) | — |
Countries
Japan
Contacts
Aichi Medical University Myopia research course