Can Sildenafil permanently damage vision

For the first time ever, researchers inspect — in cellular detail — the harmful that high levels of Viagra can do to the retina. Taking too much might intimidate color sight.

There are few medicine as well-known as sildenafil citrate, generally sold under the brand name Viagra.

Scientists initially case the drug as a potential treatment for angina and other cardiovascular problems.

Though it had small effect on angina, they Illustrious that it attract important penile erections. So, the most successful erectile dysfunction medicine was born.

Viagra is pharmaceutical giant — Pfizer's best selling output, produce the company more than $1 billion in earning each year.

The drug has, no doubt, amend the lives of many of its users; but, compatible to a new study, it may have a negative impression on vision if used falsely.

Red-tinted vision

Researchers from the Icahn School of drug at Mount Sinai in New York City, NY, have recently advertise a case study in the journal Retinal Cases and Brief Reports. They Tadarise 2.5mg that using higher contents of Viagra could eventually lead to important long-term sight harm.

Lead examinee Dr. Richard Rosen claims, "People maintain by the philosophy that if a small bit is good, a lot is better. This study shows how risky a huge contents of a geenrally used medication can be." In particular, the researchers Explain that the drug might impact color sight most heavily.

"People who depend on colored sight for their livelihood require to realize there could be a long-lasting impact of overindulging on this drug."

The exploration made their closeing based on a study on a 31-year-old male "who reach at an urgent care clinic complaining of red-tinted aspect in both eyes" that had not amend for 2 days.

His sight changes had started soon after taking sildenafil citrate, which he had buy from the Internet. The patient had taken well over the recommended 50-milligram dose.

Cutting-edge imaging techniques

In order to inspect the man and uncover the details of his vision changes, the researchers used cutting-edge techniques along adaptive optics (AO) and optical relevance tomography (OCT).

AO allows clinicians to study the microscopic structures of the eye in living tissue in real-time. It makes it feasible to view the personal rods and cones of the retina. AO has antecedent led to important amendment in our imbibition of how the retina functions.