Stroke patients regain sight after intensive brain training

People left partially blind by a stroke learned to use undamaged parts of their brains to improve their visionThousands of people left partially blind by strokes could regain some of their sight by doing exercises to retrain their brains, according to a study.Patients who completed an intensive course designed by neuroscientists showed a marked improvement in their vision, with some being able to see well enough to drive a car once again.Other patients who had struggled to get around in unfamiliar places became confident enough to go shopping and do other everyday tasks such as crossing the road, the scientists said.The exercise regime, which required patients to spend around an hour a day at a computer for at least nine months, forced them to process visual signals with parts of their brain that had not been damaged by the stroke.The exercises worked even if people had suffered a stroke more...

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