Lifestyle

Men who take Viagra are twice as likely to have vision problems and go blind

Studies show that men who take Viagra are almost twice as likely to have vision problems, which can lead to blindness.

US scientists analyzed data from 213,000 men taking erectile dysfunction drugs.

Men who use Viagra are twice as likely to have vision problems

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Men who use Viagra are twice as likely to have vision problemsPhoto credit: Getty – Contributor

They found regular users of four common sex drugs – ViagraCialis, Levitra and Stendra – saw their risk of developing a serious eye condition increase by 85 percent.

It includes a retinal detachment, in which patients have floaters over their vision, and damaged blood supply to the optic nerve, leaving sufferers with vision loss.

Lead researcher Dr. Mahyar Etminan of the University of British Columbia warned that there was a “strong association” between three eye problems and the medication.

And urged users to “see a doctor” if they notice any changes in their vision.

Experts fear that the sex pills will affect blood flow to the eye and cause vision problems.

Erectile dysfunctionalso known as impotence, is the inability to get and maintain a stiffness.

Around five million Britons – 40 per cent of older men – are affected by the disease.

Causes can be psychological or physical, from stress and depression to conditions that affect blood flow, including heart disease and diabetes.

The study, published in JAMA Ophthalmology, looked at a group of drugs called phosphodiesterase type 5 inhibitors.

It contains Viagra and its generic equivalent Sildenafil.

Around 3.5 million prescriptions are issued in the UK each year, while many more men buy it over the counter for around £4.

dr Etminan added: “These drugs treat erectile dysfunction by improving blood flow, but we know they can also impede blood flow to other parts of the body.

“Although our study does not prove cause and effect, there is a mechanism by which these drugs could potentially lead to these problems.

“The body of evidence points to a strong link.”

The new study found that those who took the sex pills had a 2.6-fold increased risk of serous retinal detachment, twice the chance of ischemic optic neuropathy, and a 44 percent increase in retinal vascular occlusion.

Although all three conditions are rare, they can trigger vision loss.

An MHRA spokesman said: “Sildenafil, tadalafil, vardenafil and avanafil are important drugs used in the treatment of erectile dysfunction and use of these products is known to be associated with a risk of vision problems.

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“The study, published in JAMA Ophthalmology, confirms the known risk of certain visual disorders that can rarely occur in regular users of these medicines.

“The product information for these drugs indicates that if a sudden visual defect occurs, patients should stop taking the product and seek immediate medical attention.

“Patients can continue to use these products, but should discuss any concerns about their treatment with their doctor or pharmacist.”

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https://www.thesun.ie/health/mens-health-and-fitness/8621692/men-viagra-sex-blindness/ Men who take Viagra are twice as likely to have vision problems and go blind

Fry Electronics Team

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