What's laser in situ keratomileusis surgery?

LASIK . Lasik is the acronym for laser in situ keratomileusis. It is performed using an excimer laser to provide optical correction for myopia (nearsightedness), hyperopia ( farsightedness) and astigmatism. A flap, under which the laser vision correction is performed, can be made with a mechanical microkeratome or a femtosecond laser like the intralase or ziemer ldv.