Tooth implanted in eye restores vision in life-changing surgery

Brent Chapman, a Canadian, lost his vision. He suffered from Stevens-Johnson syndrome. Doctors performed a rare surgery. They implanted his tooth in his eye. This restored his sight. The procedure is osteo-odonto-keratoprosthesis. It is a last resort for corneal damage. Chapman's vision is now 20/40 or 20/30. He can read and play basketball. The surgery has changed his life.