Medical Dictionary
LASIK
noun LA·SIK \ˈlā-sik\
Medical Definition of LASIK
: a surgical operation to reshape the cornea for correction of nearsightedness, farsightedness, or astigmatism that involves the use of a microkeratome to separate the surface layer of the cornea creating a hinged flap providing access to the inner cornea where varying degrees of tissue are removed by an excimer laser followed by replacement of the corneal flap—called also laser-assisted in-situ keratomileusis
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