Keratomileusis

Keratomileusis comes from the Greek words “keratos” (cornea) and “smīleúsis” (to carve). Keratomileusis describes the reshaping of corneal tissue. In laser-assisted in situ keratomileusis (LASIK), corneal reshaping is done with an excimer laser. The reshaping of the cornea is what corrects refractive errors like myopia, hyperopia, and astigmatism.