Henry Wanyoike is a Kenyan. He has always loved running. On 30 April 1995, Henry went to bed as usual after dinner. He woke up the following day completely blind and has never seen anything again. He was 19 years old. Ten years on, Henry is a world track champion, an Olympic god medallist and now a globe-trotting Goodwill Ambassador for Standard Chartered's "Seeing is Believing" campaign.