Photorefractive Keratectomy

**Definition:** A type of refractive surgery of the CORNEA to correct MYOPIA and ASTIGMATISM. An EXCIMER LASER is used directly on the surface of the EYE to remove some of the CORNEAL EPITHELIUM thus reshaping the anterior curvature of the cornea.

**Tree numbers:** - E02.594.480.875 - E04.014.520.480.875 - E04.378.500.875 - E04.540.825.437.500