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
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When surgery is needed, photorefractive keratectomy (PRK) is more commonly performed on children than LASIK (laser-assisted in situ keratomileusis) surgery.
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Dagny Zhu, Verywell Health, 26 Jan. 2023
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Dagny Zhu, Verywell Health, 26 Jan. 2023
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“Photorefractive keratectomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photorefractive%20keratectomy. Accessed 15 Jul. 2025.
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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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