A 6 year old boy from Essex was suffering from severe lazy eye in his right eye, and after a couple years of it was about to go completely blind in it. That's when doctors prescribed a daily two hours of Nintendo DS playtime while wearing an eye patch over his good eye, forcing the lazy eye to work harder. After the first week of Mario Kart therapy, his eyesight has already improved by 250%! They say video games rot your brains, but they sure do wonders for your eyes! Source Link
