Bob Cockshott looked at members of his family and did n't recognise them . The age - of - six suffered stroke in the night and thought he had gone blind . Eyesight was saved but he soon realised his problems were more serious . mark Cockshott suffers from prosopagnosia , also called face - loss . Has had to learn coping strategies to recognise his own family and friends . These included memorising their voices , mannerisms and body language .
Bob Cockshott looked at pictures of his family and did n't recognise them . The father-of-two suffered stroke in the night and thought he 'd gone blind . Eyesight was saved but he soon realised his problems were more serious . Mr Cockshott suffers from prosopagnosia , also called face-blindness . Has had to learn coping strategies to recognise his own family and friends . These include memorising their voices , mannerisms and body language .