Medical Conditions Treated with Prism Glasses
Stroke
Mirror Trick shows promise as stroke therapy (World stroke conference, September 2008)
Using a mirror to create the illusion that a person's paralyzed limb moves in tandem with a healthy one appears to speed recovery from stroke, a Japanese researcher said Friday.
http://www.reuters.com/article/healthNews/idUSTRE48P1PZ20080926
UK Patent No 2452204B