Though LASIK is meant to last a lifetime, your vision may still change with age and time.  The following may still impact you, regardless of the type of refractive eye surgery you got:
Under-correction:  If you experience a refractive error, your doctor can adjust it and you can do a follow-up “enhancement” surgery to achieve the level of visual acuity you expect
Eye health changes: eye diseases such as age-related macular degeneration (AMD), diabetic retinopathy… etc. can still affect your vision
Cataracts: cloudiness of the lenses due to aging
Presbyopia:  most people will struggle with the ability to clearly focus up close after age 35-40 and may still need reading glasses