Inclusion Criteria:  Age: between 18 years and 45 years Myopes from -1.50 D to -8.00 D Astigmatism less than -4.00 D Normal Corneal Tomography with a Belin Ambrosio big D value of less than 1.6  Exclusion Criteria:  Unstable refraction for 1 year Corneal thickness less than 500 microns Expected Post Lasik Residual Stromal bed less than 300 microns All patients with post operative complications as epithelial overgrowth or decentered ablation.