Inclusion Criteria:  Candidates for Laser Vision Correction (LVC). Eyes with spherical equivalent (SE) up to - 10 diopters (D), Corneal thickness at thinnest location of ≥ 500 um and estimated postoperative residual stromal bed of at least 300 um  Exclusion Criteria:  Patients with symptoms or signs of dry eye (TBUT <10 sec, Schirmer I test <10mm and Ocular Surface Disease Index OSDI score >13), Posterior blepharitis, contact lens wearers , Ocular surface disease , Systemic diseases contraindicating LASIK and previous ocular surgery.