Since its launch in 1998, Viagra, the world’s first treatment for impotency, has revolutionized life for men of a certain age: more than 23 million worldwide have used the blue, diamond-
shaped pills to spice up their love lives.
Starting to Spring of 2005 American health officials are examining reports that it causes blindness among a small number of at-risk men. The Viagra blindness risk was also reported in March 2005 in the Journal of Neuro-Ophthalmology. The journal study examined seven cases where men suffered an unusual form of sudden blindness within 36 hours of taking Viagra.
