patients who is myopia or hyperopia or astigmatism and will have LASIK with wavefront-
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria -The subject is a refractive error before surgery -The subject age is 18-50 years, normal eye health and no ocular or systemic disease
Exclusion criteria
Exclusion criteria: Exclusion criteria -Systemic disease including DM, stroke -Eye disease including retinal disorders, amblyopia, lens abnormalities, glaucoma -Nutritional deficiencies, consumption of alcohol, drug/medicine use and exposure to endogenous or exogenous neurotoxins
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| contrast sensitivity pre-operative and at 3 month post operative CSV-1000E | — |
Secondary
| Measure | Time frame |
|---|---|
| best correct visual acuity pre-operative ETDRS chart,dim light pupil size pre-operative ruler | — |
Countries
Thailand
Contacts
Department of Ophthalmology