1) Kerectomy 
The surgical removal of part of the cornea. 
<procedure> An operation done to change the refraction of the cornea; a crescentic piece of corneal stroma is removed and the resultant corneal wound is sutured. This steepens the cornea and increases its power in that axis. ... Origin: kerato-+ G. Ektome, excision ... Photorefractive keratectomy, removal of part of the cornea with a laser to...
(ker″ә-tek´tә-me) excision of a portion of the cornea; kerectomy. photorefractive keratectomy a procedure to correct errors of refraction in the eye by using an excimer laser to remove a portion of the anterior part of the cornea, which changes the refraction by...
An operation to remove a superficial layer of the cornea.
Type: Term Pronunciation: ker′ă-tek′tŏ-mē Definitions: 1. An operation done to change the refraction of the cornea; a crescentic piece of corneal stroma is removed and the resultant corneal wound is sutured. This steepens the cornea and increases its power in that axis.
Keratectomy: Removal of part of the cornea. This can be done by surgical excision or by laser. One such laser procedure is PRK (photorefractive keratectomy).
Surgical removal of a portion of the cornea.
excision of part of the cornea.