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Viagra and VisionViagra is a powerful drug taken for treating erectile dysfunction and issues related to impotency. A large number of men across the globe are dependent on this drug every other day. It helps men to achieve a firm and lasting erection which enables them to experience a satisfying sexual intercourse. This med comprises of the active ingredient sildenafil which is known to work by relaxing the muscles found in the walls of blood vessels and thereby increasing the blood flow to particular organs of the body. Upon taking Viagra, improved flow of blood is observed especially in the genitals and this paves way for a strong erection. But some people have begun to fear that the intake of Viagra could result in vision problems. How true could this be? To know more, continue reading this blog and find out if Viagra can really affect your vision or if this is just another tittle-tattle.

Clinical research on Viagra’s potential to cause vision problems

It is believed that the active ingredient in Viagra i.e. sildenafil could cause various and unusual visual responses in people who have a common mutation for eye related diseases. This is also seen in people who have long detrimental effects on their vision, said by few researchers. Sildenafil has the ability to inhibit an enzyme that is crucial for transmitting the light signals to the brain from the retina. This has already been established from the clinical trials of Viagra. Usage of this ED pill in high doses can result in transient disturbances in vision in some people who are healthy. The side effect of this med related to vision include blurred vision, sensitivity to bright light and also colored vision that is altered.

Research on mice to establish Viagra causing vision abnormalities

People who could be more susceptible to these vision problems are those who have a normal vision yet they carry a single copy of the mutant gene for this blinding disease. Researchers conducted this study on a normal mice and also on mice that has a single copy of the mutant gene. These researchers learnt the effects of a single dose of sildenafil on the mice.

The results thus observed were published on the journal Experimental Eye Research. It was found that the normal mice had a transient loss of vision function after treatment with sildenafil. However this effect was heightened in the mice with the mutation and the response thus lasted for a long time. Early signs of death of the cells in the eyes of the carrier mice was discovered. But this was not observed in the normal mice. This suggests that sildenafil could cause degeneration in carriers of retinal disease.

These findings are very vital as one in fifty people are likely to be carriers of recessive genes that causes retinal disease. However, these people wouldn’t be knowing it since their vision appears to be normal. This indicates that the use of Viagra can affect a person’s vision.

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