This morning the BBC has had a segment on the Breakfast News on managing pain through VR. A lady had bad scalds to her leg, and changing the dressings were uncomfortable (OK, read PAINFUL!). She took part in a VR experiment. Now, while the dressings are being changed she is playing a form of basketball in an Oculus Rift CV1. Because she is concentrating on the game she is less aware of having the dressings changed;
http://www.bbc.co.uk/news/uk-england-south-yorkshire-43744009
http://www.bbc.co.uk/news/uk-england-south-yorkshire-43744009