LASIK is used in -
Laser in-situ keratomileusis (LASIK), Currently this procedure is being considered the refractive surgery of choice for myopia of up to - 12 D. Patient selection criteria are:  Patients above 20 years of age,  Stable refraction for at least 12 months.  Motivated patient.  Absence of corneal pathology Reference : A K KHURANA OPHTALMOLOGY,Edition 4, Page-47
Myopia
Hypermetropia
Astigmatism
Presbyopia
Optics and refraction