Hope for the blind: Scientists claim Viagra could restore eye sight

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Tests show the anti-impotence drug may stop further loss of vision for patients being robbed of their sight – and could even repair damage that’s already been done.
A two-year trial led by scientists at Columbia University in New York suggests the little blue pills could stop age-related macular degeneration, or AMD, in its tracks.
The condition is the UK’s leading cause of blindness, with about 600,000 Britons already thought to have suffered some loss of vision as a result of it.
Around 90 per cent of cases involve dry AMD, a form of the disease which comes on slowly over several years. The rest involve wet AMD, which can cause blindness in as little as three months.
However, the researchers said that Viagra offers significant potential for vision retention and recovery. After the intake of this drug, the patients remained visually stable and there was a significant improvement in vision in one participant.

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