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Photorefractive keratectomy.
The PRK procedure flattens the cornea by vaporizing small amounts of tissue from the cornea's surface. Photorefractive keratectomy can be used to treat mild to moderate forms of myopia.
PRK stands for photorefractive keratectomy.
PhotoRefractive Keratectomy
ISO Country Code for North Korea
photorefractive Keratectomy