Contact lenses have a lower initial out lay however, over a 10 year period they could cost you more.
Contact lenses are better when correcting high powers or complex prescriptions and while refractive surgery using a multi-focal implant can correct reading prescriptions there are many different multi-focal contact lenses on the market.
Contact lenses rather than laser eye surgery should be the preferred optical correction for people under 21 years of age or even older if the prescription has not stabilised. Laser eye surgery reduces the risk of infections associated with contact lenses and eliminates the need to to throw your solution away when boarding a plane.
So which is best and what should I consider? Answer: your age, costs and prescription.