keratomileusis

Etymology
The term was coined in 1963 by Jose Barraquer (from Greek κέρας (kéras: horn) and σμίλευσις (smileusis: carving))

Noun

 * 1)  Improvement of the refractive state of the cornea, performed by cutting a thin hinged flap in the front surface of the eye and lifting it to access the cornea.