myopia
Conditions
Interventions
orthokeratology deviation group:None
Sponsors
Qingdao Eye Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1. After mydriatic optometry, the bulb degree was -0.50D~-8.0D, and the column degree was < -2.00D; 2. Patients aged 8 to 18 years; 3. Optimal corrected visual acuity of 1.0 or above; 4. Patients need to sign informed consent voluntarily; 5. Patients should be able and willing to follow up on time during the study period.
Exclusion criteria
Exclusion criteria: 1. The patient has underlying, recurrent or progressive corneal disease, corneal abnormalities (especially recurrent corneal erosion, severe stromal lesions, keratoconus, marginal hyaline corneal degeneration); 2. The patient has irregular corneal morphology in one or both eyes; 3. The patient is taking some systemic drugs that may affect diopter, such as adrenocorticosteroids and antimetabolites; 4. Patients with immune insufficiency or connective tissue disease, dominant genetic disease or diabetes; 5. The patient had a history of eye surgery; 6. The patient had irregular central corneal curvature; 7. Patients are allergic to the drugs used in the study; 8. The patient has a history of glaucoma or suspected glaucoma; 9. The patient participated in other trials during the trial; 10. The patient has a history of herpetic keratitis; 11. Patients use topical or systemic drugs to control myopia progression; 12. The patient suffers from nystagmus or cannot fixate for a long time during surgery; 13. The patient has poor ocular surface conditions (such as severe dry eyes, blepharitis, meibomian gland dysfunction, allergic conjunctivitis, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| axial length;wavefront aberration;visual quality;peripheral retina defocus;corneal biomechanics;visual acuity;refraction;keratometry; | — |
Countries
China
Contacts
Public ContactLeng Lin
Qingdao Eye Hospital of Shandong First Medical University
Outcome results
None listed