'He's my eyes, I'm his judgement'

They are colleagues but they sometimes call themselves brothers - David Black, who is blind, and Peter Wilson, who has autism, work and cook together in a cafe. David is a professional chef who went blind in his teens. His working life is made possible with the help of Peter. The BBC's Emma Tracey reports from the café where they work in Falkirk in Scotland.

(Photo: A knife next to a hand covered in a protective mesh glove. Credit: fotoedu/Thinkstock)