Viagra & Viagra is synonymous with popularity. Its sales are increasing in leaps and bounds with each passing day. Ever since its existence, it has been able to lure millions of people world wide under its trap. A large number of people are attracted to its efficiency in treating an important sexual ailment – erectile dysfunction (ED).
Though this wonder drug has witnessed immense popularity, but in recent times it was also surrounded by a number of controversies. A small number of its users have turned blind after consuming the wonder pill. All of them suffered from a swelling of the optic nerve within 36 hours of taking Viagra for ED.
The condition, known as non-arteritic anterior ischemic optic neuropathy (NAION), causes a rapid reduction of vision and in the most serious cases, leads to blindness. NAION is considered one of the most common causes of sudden vision loss in older people. Its risk factors include diabetes and heart disease, which are also two of the leading causes of impotence. Read more…


