are the names of the to personalized treatment applications who a given from the laser companies Stop Using Your Contact Lenses patients must stop wearing contact lenses before LASIK surgery because Contact lenses can temporarily alter the shape of the cornea. Soft lenses: one week, Hard lenses: two weeks, Rigid gas permeable lenses: two – three weeks. The cornea will need to be in its natural state, or shape, on the day of LASIK surgery. You can use eyeglasses to see clearly.