photorefractive keratectomy
noun
pho·to·re·frac·tive ker·a·tec·to·my ˌfō-tō-ri-ˌfrak-tiv-ˌker-ə-ˈtek-tə-mē 
: surgical removal of part of the corneal surface using an excimer laser in order to correct for myopia compare radial keratotomy
Word History
First Known Use
1986, in the meaning defined above
Medical Definition
photorefractive keratectomy
noun
pho·to·re·frac·tive keratectomy -ri-ˌfrak-tiv-
: surgical ablation of part of the corneal surface using an excimer laser in order to correct for myopia —abbreviation PRK compare radial keratotomy
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