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Viagra Could be a New Surprising Cure for Blindness, Say Scientists

It seems hard to believe, but viagra could give sight to the blind, according to a new study.

The tests show that this erectile dysfunction medication could prevent further vision loss in patients who have their eyes blown – and could even repair the damage already done.

A two-year trial conducted by scientists from Columbia University in New York, USA reveals that small blue pills could actively repair damaged eyes and stop vision loss, and the results suggest they could stop macular degeneration age-related, or AMD, in his ways.

 

The disease is the leading cause of blindness in the UK. About 600,000 Britons have already suffered from a loss of sight. About 90% of cases involve dry AMD, a form of the disease that develops slowly over several years.

The rest involves wet AMD, which can cause blindness in just three months. Dry AMD usually develops after the age of 50 and is caused by the growth of new blood vessels above the macula, a small oval area in the back of the eye that helps us to clearly identify the details. .

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These blood vessels leak, causing scarring and destroying eyesight in the center of the eye – and victims have difficulty recognizing faces, reading or watching television. Recent research has shown that the disease is partly caused by a decrease in blood flow to the choroid, a vital layer of tissue located in front of the retina. Small previous studies have suggested that Viagra can improve blood flow to these tissues.

Recent research has shown that the disease is partly caused by a decrease in blood flow to the choroid, a vital layer of tissue in front of the retina. Studies have suggested that Viagra can improve blood flow to these tissues. In the Columbia study, five elderly patients with AMD received two Viagra pills a day for two years.

The researchers said, “Viagra offers significant potential for vision retention and recovery. It should be noted that patients remained visually stable and vision improved significantly in one participant. “

Some medications may already slow the progression of AMD and improve vision in some cases, but medications must be injected into the back of the eye every month.

Professor Sobha Sivaprasad of the Royal College of Ophthalmologists said the results of viagra were encouraging, although the study was limited. “We now need to do more in-depth studies to replicate these results before viagra can be used as a treatment,” she warned.

Previous studies have suggested that viagra may help treat a range of conditions, from heart attacks and lung disease to dementia. The drug became available over-the-counter in Britain for the first time in March.

 

Source: Thesun.co.uk

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Written by How Africa

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