单词	LASIK
释义	LASIK noun LA·​SIK ˈlā-sik  : a surgical operation to reshape the cornea for correction of myopia, farsightedness, or astigmatism in which the surface layer of the cornea is separated to create a hinged flap providing access to the inner cornea where varying amounts of tissue are removed by an excimer laser Word History Etymology laser-assisted in situ keratomileusis First Known Use 1994, in the meaning defined above Medical Definition LASIK noun LA·​SIK ˈlā-sik  : 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
随便看	Notacanthidae notacanthous notae Tironianae notaea notaeal notaeum notaeums notal Notalian notam notan notanda notandum notandums notaphilists notar notarial notarially notaries notaries public notarisation notarisations notarise notarised esotericisms

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