All the advanced Femtosecond Lasers comes in the 5th generation of iFS Laser. The iFS Laser provides the surgeons with customization process at optimal comfort offering as an indispensible tool for LASIK. IntraLase® Technology is regarded as the femtosecond technology and has up to date performed over 5 millions procedures. The iFS™ Laser has come out with two new innovations in flap architecture, the inverted bevel-in side cut and elliptical-shaped flaps. The 5th-generation iFS™ Laser can be used in combination with a faster repetition rate and tighter spot/line separation to make it a versatile tool. This process helps to preserve corneal innervation and helps post-operative healing through creation of biomechanically stable corneal flap. The 150° inverted bevel-in side cut enhances the biomechanical stability. The elliptical flab maximizes stromal bed exposure. Tighter spot separation gives smoother beds with effortless flap. The low energy pulse helps reduction of tissue response and inflammation.