If you want to permanently correct your vision but aren’t a good candidate for LASIK surgery, there’s now another viable alternative. In 2004, the FDA approved the use of the first implantable contact lenses (ICLs) for people suffering from extreme nearsightedness. These lenses are made out of soft plastic and are placed behind the iris.
During the procedure, an ophthalmologist makes an incision in the cornea and then inserts the plastic lens in front of the person’s natural lens. The implantation is usually an outpatient procedure, and patients are given an anesthetic… (American Health Advantage)