Can /sci/med/ explain the blind card mechanic Richard Turner probably the greatest card magician the world has ever seen?
https://www.youtube.com/watch?v=YVDwKxlcx-4
eidactic memory but went blind at 9 following scarlet fever but treated somehow, which lead to both he and his sister going blind
how is he able to do this
He's also a Karate blackbelt.