Is there any particular group that will lose their eyesighr from taking ed drugs. and is that loss of eyesight reversed after drug wears off?

Opinions vary: 2005 report by u of minnesota ophthalmologists stated small set of men on viagra (sildenafil) can develop permanent vision loss from a condition like "a stroke of the eye" d/t decreased blood flow to optic nerve. A 2009 study reported by webmd found "no vision loss from ED drugs". Obviously, more studies need to be done to provide a definitive answer. Perhaps there is no loss of vision in majority—>.

Vision loss: Certain erectile dysfunction medications have been linked to vision changes. Most notably, some people have noted a blue tinge to their vision. There have been rare instances of susceptible individuals developing sudden irreversible vision loss associated with these medications.