laser-assisted in situ keratomileusis
Conditions
Interventions
Experimental Group:individualized FS-LASIK
Control Group:conventional FS-LASIK
Dry Eye Group:oral vitamin D
Sponsors
Liuzhou Worker's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1. Myopic patients, aged 18 to 50 with no dry eye history and volunteered to take the refractive surgery; 2. Stable refractive error for at least 2 years (within +/-0.5D); 3.stopped wearing soft contact lenses for at least 15 daysor oxygen-permeable hard contact lens for over 3 months; 4. Informed consent; 5. Satisfied follow-up.
Exclusion criteria
Exclusion criteria: 1. Inflammatory diseases of eyelid and its appendages and conjunctiva that have adverse effects on tear film; 2. Lacrimal gland diseases or surgery; 3. Abnormal eyelid structure or function; 4. Eye diseases such as cataract, glaucoma, keratoconus, uveitis, retinal detachment, optic neuritis, etc.; 5. Systemic diseases such as diabetes, hypertension, etc.; 6. Use of drugs that affect corneal metabolism; 7) long-term history of wearing contact lenses.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| binocular vision;coma;Schirmer Test;BUT;Lacrimal inflammatory factor;Corneal shape and corneal stress; | — |
Secondary
| Measure | Time frame |
|---|---|
| intraocular pressure;Corneal thickness;corneal fluorescein staining; | — |
Countries
China
Contacts
Public ContactLin Ying
Liuzhou Worker's Hospital
Outcome results
None listed