A: There have been rapid improvements in both the laser and microkeratome to make the flap. Improvements are expected for patients with unusual problems such as thin cornea, extreme farsightedness and extreme nearsightedness. LASIK does not work as well for patients with these problems. If you have these difficulties, the doctors at Eye Care Professionals will discuss with you your best options. Some currently available alternatives include PRK, ICL and refractive lens exchange.