Am I a good candidate for LASIK ? LASIK SURGERY LASIK is not for everyone. Only an eye care professional trained in laser vision correction can determine whether you are a suitable candidate for the LASIK procedure. It is important to discuss the risks associated with the procedure and any questions you may have about the procedure with your doctor. If you are considering LASIK, you must : Be at least 18 years of age with stable refraction Have healthy eyes that are free from eye diseases or corneal abnormality (e.g., scar, infection, etc.). Have documented evidence that your refraction did not change by more than 0.50 diopters during the year before your pre-operative examination.  Be informed of LASIK risks and benefits as compared to other available treatments for nearsightedness with or without astigmatism.  Be able to lie flat without difficulty.  Be able to tolerate local or topical anesthesia.  Be willing to sign an informed consent form as provided by your eye care professional.  Be able to keep your eye accurately on the fixation light for the entire laser surgical procedure.  CONTRAINDICATIONS: You should not have refractive surgery if You have active collagen vascular(e.g., rheumatoid arthritis), autoimmune (e.g., lupus), or immunodeficiency diseases (e.g., AIDS) because these conditions affect the body’s ability to heal.  You show signs of keratoconus (corneal disease) or abnormal corneal shape  You are pregnant or nursing, because these conditions may cause temporary and unpredictable changes in your cornea. WARNINGS: Discuss with your doctor if  You are diabetic You have severe allergies and take medicines regularly.  You have had a history of Herpes simplex or Herpes zoster keratitis  You have a significant dry eye that is unresponsive to treatment You have a medical condition you are uncertain about You are taking isotretinoin (Accutane) used for the treatment of acne because common side effects are dry eyes ,watery eyes conjunctivitis and lids inflammation. Prior to LASIK evaluation, please consult your doctor who prescribe this medication whether you have to stop using these medication at least 1 month before and after LASIK.  amiodarone hydrochloride (Cordarone) used for heart rhythm control .Some patients develop symptoms of halos, photophobia, dry eyes or other sight-threatening ophthalmic abnormalities.  sumatriptan (Imitrex) used for migraine headaches. This medication make wounds to heal harder and change in vision. Fortunately, sumatriptan is not for routine use, only to relieve your migraine headache as soon as symptoms of the migraine appear.