"'I'm delighted,' said Prof Paulo Stanga from the Manchester hospital. He has been involved in earlier trials of the Argus II Bionic Eye, made by the company Second Sight, in retinitis pigmentosa. He added: 'It surpassed all of our expectations when we realised that one of the retinitis pigmentosa patients using the bionic eye could identify large letters for the first time in his adult life.'
This disease, which is often passed down through families, destroys the light-sensing cells in the retina. It leads to vision loss and eventually blindness." Read more.