Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Moderate to High Myopia

Inclusion Criteria: * Myopia \> -7.00 D to -12.00 D, and astigmatism less than or equal to -6.00 D at the spectacle plane, with a maximum MRSE ≤-12.00 D. * Stable refraction for at least the last twelve months, as demonstrated by a change of less than 1.00 D of the spherical equivalent during the twelve months prior to the baseline examination of the eye to be treated, documented by previous clinical records. * Discontinue use of contact lenses at least 2 weeks for hard contacts and 3 days for soft lenses prior to the preoperative examination. * Hard contact lens wearers must have two central keratometry readings and two manifest refractions taken at least one week apart that do not differ by more than 0.50 D. * Visual acuity correctable to at least 20/40 in both eyes. * UCVA of 20/40 or worse in the operative eye. * At least 18 years of age. * Operative eye must be targeted for emmetropia. * Have a normal corneal topography. * Willing and able to return for scheduled follow up examinations for twelve months after surgery. * Sign and be given a copy of the written Informed Consent form. Exclusion Criteria: * History of anterior segment pathology, including cataracts (in the operative eye). * Clinically significant dry eye syndrome unresolved by treatment. * Residual, recurrent, active ocular or uncontrolled eyelid disease, corneal scars within the ablation zone or other corneal abnormality such as recurrent corneal erosion or severe basement membrane disease. * Ophthalmosc…