Lasik is a surgical procedure that uses a cool (non-thermal) beam of light to gently reshape the cornea. The goal of laser vision correction procedure is to reshape the cornea that does a better job of focusing images on to the retina. In this procedure, a mechanical instrument called the microkeratome is used to make a horizontal cut on the cornea to fashion a hinged flap. The flap is then lifted and the reshaping with the laser is carried out. The flap is replaced back on the corneal bed, where it sticks to the reshaped cornea.