Final answer:
LASIK is the new procedure used to correct refractive problems. It involves using a laser to change the shape of the cornea for better focus. This procedure is commonly used by many people.
Step-by-step explanation:
The new procedure used by many people to correct refractive problems is called LASIK (Laser-Assisted in situ Keratomileusis). LASIK uses a laser to permanently change the shape of the cornea, which helps in correctly focusing the light on the retina. The procedure involves peeling back the top layer of the cornea and ablating the underlying tissue using controlled ultraviolet radiation produced by an excimer laser.