Medical Advances: Optic Nerve Injuries

August 6, 2011 12:00:00 AM PDT
It can start with a fall off a bike, a car accident, or even anexplosion. As many as one-million Americans have had their lives disrupted because of vision problems from a head injury. The optic nerve is essentially the video cable that connects our eyes to our brain. If it's injured, lost vision is usually the result.