Main Entry: LA·SIK

Pronunciation: \ˈlā-sik\

Function: noun

Etymology: laser-assisted in situ keratomileusis

Date: 1994

: 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