비아그라에 대해 알려지지 않은 사실
sudden eyesight reduction in a single or equally eyes. Sudden eyesight loss in a single or the two eyes is usually a indication of a serious eye dilemma known as non-arteritic anterior ischemic optic neuropathy (NAION). Halt getting VIAGRA and call your Health care provider immediately Should you have any sudden vision declineVIAGRA might influence