Some men in a recent study had persistent, blue-tinted vision after taking sildenafil, the active ingredient in Viagra.
Source: https://www.livescience.com/viagra-sildenafil-vision-changes.html
Only the Autodidact is Free
Some men in a recent study had persistent, blue-tinted vision after taking sildenafil, the active ingredient in Viagra.
Source: https://www.livescience.com/viagra-sildenafil-vision-changes.html