Refractive errors
Conditions
Interventions
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Aged >=18 years old; 2. The diopter is basically stable for more than 2 years (the annual increase of myopia diopter is not more than 0.50 D); 3. Stop wearing soft contact lenses for at least 2 weeks and hard contact lenses for at least 4 weeks before surgery, with normal corrected vision; 4. Spherical degree =1.0.
Exclusion criteria
Exclusion criteria: 1. there is active inflammation in the eye, pyosis around the eye, and ocular appendage lesions are more serious; 2. with glaucoma, keratoconus, systemic connective tissue disease; 3. with mental diseases, diabetes, systemic infectious diseases or autoimmune diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Q value;corneal posterior surface elevation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Corneal aberration; | — |
Contacts
Public ContactHuang Yue
Tianjin Medical University Eye Hospital
Outcome results
None listed