The Femtosecond lens has replaced the mechanical blade. Blade surgery has been used to perform LASIK procedures for several years, but it poses more risks to patients. The surgeon can treat thin, curved, or flat corneas. Lasik surgery is a risky procedure because it involves cutting and stitches that require a lengthy healing time. Femtosecond laser offers the most effective possibilities of surgery, with a lower risk. Femtosecond laser exerts only very little pressure on the eye and its precision eliminates the possibility of cut-offs that are not even or properly formed in cornea tissue.