Refractive errors
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged over 18 years; 2. The diopter is basically stable for more than 2 years; 3. Stop wearing soft contact lenses for at least 2 weeks and hard orthokeratology lenses for at least 4 weeks before surgery, and the corrected vision is normal; 4. Spheroscope less than 1000.
Exclusion criteria
Exclusion criteria: 1. There was active inflammation of the eye, periocular purulent, and serious lesions of accessory organs of the eye; 2. Associated with glaucoma, keratoconus, systemic connective tissue diseases; 3. Accompanied by mental diseases, diabetes, systemic infectious diseases or autoimmune diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pupillary offset; | — |
Countries
China