Blindness and Viagra
“The Food and Drug Administration said yesterday that it had received reports of partial vision loss in 38 men taking Viagra, the impotence drug, and among 4 men taking Cialis, a newer competitor.”

It has long been known that Viagra can affect vision in 1 to 10% of cases – mainly color changes, or blurred or increased sensitivity to light. Blindness caused by Naion (nonarteritic anterior ischemic optic neuropathy) is new. Note that the link to Viagra has not been definitively proven yet.

This is another example of how “lifestyle” medications and its overmarketing is not as harmless as it seems. Hopefully, this can be another wakeup call to consumers: think twice about demanding drugs you see on TV.

Update:
Medpundit opines on this.