Viagra May Cause Vision Loss (Reuters)


Reuters - In a new study, US researchers
describe seven patients who developed nonarteritic ischemic
optic neuropathy (NAION), an eye problem that can result in
permanent vision loss, after taking Viagra (sildenafil) for
erection difficulties. Combined with past reports, this study
brings the total number of sildenafil-related NAION cases to
14.

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