This clinic cures blindness – but a looming threat to eyesight has doctors worried stuff.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from stuff.co.nz Daily Mail and Mail on Sunday newspapers.
When a person who is starting to become blind or has been almost blind for several years, being given even the slightest chance to see again is life-changi