Lasik(laser-assisted in situ keratomileusis) is a procedure to correct the nearsightedness, farsightedness, or astigmatism. This is a surgery reshaping the cornea, the front part of the eye, and is transparent, to transmit the light rays, to the retina, to be sent to the brain to have a clear look at the object.

This video briefs about preoperative procedure, operation and its types, post-operative care, advantages and disadvantages