refractive error
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The inclusion criteria were scheduled for myopic FS-LASIK, FLEx and SMILE. 1. Patients who wore contact lenses were instructed not to wear at least 2 weeks,and coincident with preoperative examination standard of LASIK; 2. Ages of patients was 18 to 47; 3. Stable diopter over 2 years; 4. Patients had not taken medicines of affecting the secretion of tears and stability of tear film; 5. Excluding other eye disease, such as keratoconus, chronic dacryocystitis, active stage of viral keratitis and glaucome; 6. Excluding connective tissue diseases, such as systemic lupus erythematosus,rheumatoid arthritis, and multiple sclerosis and so on; 7. Willing to participate in the study, and willing and able to give informed consent.
Exclusion criteria
Exclusion criteria: Exclusion criteria included unstable diopter, dry eye syndrome, glaucome, Keratoconus, viral keratitis, systemic diseases such as diabetes or connective tissue diseases, history of corneal trauma or past surgery, excluding other ocular surface and intraoculer diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Corneal sensitivity; | — |
Countries
China