Harvard Men's Health Watch

ED pills and eyes

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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