https://www.sciencedaily.com/releases/2018/10/181024131504.htm

One study found virtual reality that induces a hypnotic state helped manage postoperative anxiety and pain in children. A second study suggests that a novel virtual reality program that has the ability to adjust cognitive load (the amount of information that is being processed) and reorient the program's display when a child changes position during medical procedures may reduce their anxiety and perception of pain.

Postoperative virtual reality hypnosis reduces need for anxiety, pain medications