First we offer a free LASIK screening. This screening will determine if a patient has thick enough corneas and a prescription that is within the limits of what LASIK can correct. A complete eye exam will confirm the prescription of the patient, and whether the inside of the eye is healthy. There must be no ocular health problems present, such as cataracts or untreated glaucoma. Additional measurements are needed, such as the quality of the tear film and a corneal surface mapping, which will be done in a pre-operative evaluation. A qualified optometrist or ophthalmologist can ultimately determine whether the patient is a candidate for LASIK