Tests by researchers at Colombia University in New York suggest the anti-impotence drug could halt age-related macular degeneration or AMD. About 600,000 Brits are understood to have suffered the loss of sight as a result of the condition, making it the UK's leading cause of blindness. Five elderly patients with AMD took part in the US study. They were given two Sildenafil pills every day for two years.
The results showed the drug, which this year became available over the counter in Britain, stopped the condition in its tracks for four participants and significantly improved the eyesight of one. Researchers said: "Sildenafil offers significant potential for vision retention and recovery. It is notable that patients remained visually stable and there was a significant improvement in vision in one participant." Dry AMD, the slow acting form of the disease that takes several years to…
