Joseph Dunford (left) and Ash Carter next to a B-2 Spirit stealth bomber at Offutt Air Force Base (2016) Offutt Air Force Base /ËÊfÃ¦t/ (IATA: OFF, ICAO: KOFF, FAA LID: OFF) is a U.S. Air Force installation near Omaha, and lies adjacent to Bellevue in Sarpy County, Nebraska.
Noun. 1. keratotomy-surgical incision into the cornea. eye operation, eye surgery-any surgical procedure involving the eyes. radial keratotomy-radial pattern of incisions in the cornea that cause the cornea to bulge; performed to correct myopia.Translations.erÂ·aÂ·totÂ·oÂ·my. n. pl. kerÂ·aÂ·totÂ·oÂ·mies. Surgical incision of the cornea.
Keratoconus (KC, KTCN) (from Greek: kerato-horn, cornea; and konos cone) is a degenerative disorder of the eye in which structural changes within the cornea cause it to thin and change to a more conical shape than the more normal gradual curve.everal other corneal ectatic disorders, also cause thinning of the cornea: 1  Keratoglobus is a very rare condition that causes corneal thinning primarily at the margins, resulting in a spherical, slightly enlarged eye. 2  It may be genetically related to keratoconus.