Definitions for "Phototherapeutic Keratectomy"
Abbreviated as PTK. The use of an excimer laser to remove surface tissue of the cornea for medical or optical treatment reasons. Very similar to PRK, but for therapeutic rather than refractive purposes. See Phototherapeutic Keratectomy Details
In this procedure, the Excimer laser is used to remove scars and irregularities on the surface of the cornea.
An excimer laser treatment for patients with diseases of the cornea, corneal dysfunction, abnormalities, or scarring.