Of all those registered blind or partially sighted, 93% retain some useful vision – often enough to read a book or watch a film. But this can lead to misunderstanding and confusion
His first book was about the Grateful Dead. His second, about autism, has just taken the Samuel Johnson prize. Meet neuro-warrior Steve Silberman, friend of Allen Ginsberg and ‘gay coach’ to Oliver Sacks
One father tells of his family’s soul-searching in the face of conflicting medical advice, and travels to Kerala in India to see how a charity is changing the fortunes of thousands of children