Tactical Benefits of Laser Eye Surgery (LASIK / PRK)

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    The procedure used by the Navy, photorefractive keratectomy, or PRK, is different from the one used on most civilians. That approach, known as laser-in situ keratomileusis, or Lasik, requires cutting a flap in the surface of the cornea and then using a laser to reshape the cornea.

    But military doctors worry that the flap could come loose during combat, especially in a supersonic fighter. So rather than slicing into the cornea covering, Navy doctors grind it away. The approach requires a longer recovery as the covering re-forms but leaves the eye more stable.

    In this series Defense Update covers the following topics: