- Lee Comley
Blind boy using 'bat-like sonar' technique to understand surroundings
A boy who was born with a rare condition that left him blind from birth has been learning a new technique to help him understand his surroundings.
Eight-year-old Ruben Graham is learning all about echolocation from American specialist Daniel Kish, who is known worldwide for helping hundreds of people live more independent lives.
Full report by Lee Comley: