A formerly blind man in Canada can now see out of one eye after undergoing a rare 'tooth-in-eye' procedure. Brent Chapman, 34, lost his vision at 13 years old after experiencing a rare allergic ...

This is the moment a man became overwhelmed with emotion after trying on colour blind glasses for the first time. Kris Sipe, 47, who has been colour blind his whole life, bought the glasses on a whim ...

Imagine telling your grandma in 2003 that within a decade we'd invent a wearable video camera that wirelessly transmits images to your eyeball, effectively allowing the blind to see. She would've ...