photorefractive keratectomy

noun
  1. laser eye surgery that involves scraping away the protective cells of the cornea before reshaping its surface to improve visionAbbreviation: PRK
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012