Which part of the eye is corrected using photorefractive keratectomy (PRK), also known as surface ablation?

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Photorefractive keratectomy (PRK) is a type of laser eye surgery that corrects refractive errors in the cornea, such as nearsightedness, farsightedness, and astigmatism. The laser is used to reshape the cornea by removing a small amount of tissue from the surface, allowing for better focusing of light onto the retina. It is considered a type of surface ablation because it does not involve creating a flap in the cornea like in LASIK surgery.

Which Part of the Eye Is Corrected Using Photorefractive Keratectomy