Millions of people could have their eyesight saved thanks to ground-breaking laser treatment that has the potential to eradicate the most common cause of blindness. One of Britain's leading eye experts has developed a technique to reverse the disabling effects of age-related macular degeneration (AMD), which leaves many older people unable to read, drive or live independently, and eventually robs them of sight in one or both eyes. Professor John Marshall has developed a way of "cleaning" eyes which, due to the ageing process, have accumulated tiny particles of debris which start to cloud their sight. His pioneering technique uses...