The government has launched its plans to make the UK a world leader in accessible travel. Grant Shapps, the transport secretary, tells us what the investment will achieve. We hear from Professor Paul Bishop from the University of Manchester about new developments that may help people with macular disease, which is the biggest cause of blindness in the UK. And, what would it be like to have your sight restored? Blind playwright Mandy Redvers Rowe talks about her new BBC drama, 'Second Sight'.