Peter White is joined by Brazilian singer and journalist Monica Vasconcelos, who is the subject of a World Service documentary, in which she talks of her sight loss.
Tom Walker meets Tony North who has been using a new reading device called OrCam. The user wears it like a pair of spectacles and points to text or information for the device to read out. Assistive technology consultant Graham Page talks about other platforms which are available to help blind and partially-sighted people access the written or printed word.