The government is being urged to double its spending on research into eye disease. Fight for Sight, the charity which campaigns for the ending of preventable sight loss, argues that visual impairment is costing the country billions of pounds and that more than half the two million cases of visual impairment in the UK today are preventable. The Chief Executive of Fight for Sight, Sherine Krause, joins us. And we meet Carl Morgan who, it's believed, is the first blind musical therapist in England. We find out what his working life involves and what challenges he's faced. PRESENTER: Peter White PRODUCER: Mike Young