Basically, this old woman has been nearly blind since 1979 and doctors couldn’t give her a reason for her vision loss (hmm?). Then one day after a heart attack, miraculously, she could see again.
Full article: http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/01/20/nblind20.xml&sSheet=/news/2006/01/20/ixhome.html
Yes, this is amazing, but how did this happen? How about some speculation from the Dopers?