Professor Pete Coffey from UCL reacts to the recent US case, published in the New England Journal of Medicine, of three women who paid for stem cell treatment in a private clinic, in which cells from their own body fat were injected into their eyes and which left them all with virtually no vision. Prof Coffey explains the difference between the US and UK procedures. He also updates us on his own trials, seeking to treat Macular Degeneration. The GDBA on people who decide to return their Guide Dogs.