Sildenafil (Viagra), tadalafil (Cialis) and vardenafil (Levitra)
have revolutionized the treatment of erectile dysfunction
(ED). Even though visual disturbances were listed among the
side effects, all three ED pills have been approved for daily
use. Most of these vision problems are mild and temporary but one
can be serious and permanent.
Does daily use of ED pills raise the risk of visual disturbances
and other side effects? This study helps answer the question.
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