Cataract surgery and LASIK are never performed at the same time on a particular eye. Each has it's own indications, ie reasons for a patient undergoing the procedure. So if a person has a cataract, then they need cataract surgery and not LASIK. If a person does not have a cataract, but wants to reduce their need to wear glasses or contact lenses, then LASIK can be considered as an option. That said, here are some things to consider. 1. Cataract surgery can change an eye's refractive power. By choosing lens implants of a particular power, myopia/hyperopia/astigmatism can be reduced. 2.