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LASIK or Lasik (/ ˈ l eɪ s ɪ k /; "laser-assisted in situ keratomileusis"), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and astigmatism. [1]
With PRK, the corneal epithelium is removed and discarded, allowing the cells to regenerate after the surgery. The procedure is distinct from LASIK (laser-assisted in-situ keratomileusis), a form of laser eye surgery where a permanent flap is created in the deeper layers of the cornea. However, PRK takes longer to heal and can, initially, cause ...
It is a type of refractive surgery which reshapes the cornea by removing microscopic amounts of tissue from the corneal stroma, using a computer-controlled beam of light (excimer laser). The difference from LASIK is that the top layer of the epithelium is removed (and a bandage contact lens is used), so no flap is created.
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Learn more about how laser eye surgery works. People considering alternatives to eyeglasses or contact lenses may be considering laser eye surgery and want to know how it works, if it is painful ...
Photorefractive keratectomy, or PRK, is an alternative to LASIK, says Dr. Bert. “[PRK] basically uses the second laser that is used in LASIK to reshape the cornea, but it’s done without ...