비아그라에 대한 확실한 가이드
sudden eyesight reduction in one or both equally eyes. Sudden eyesight reduction in a single or both equally eyes is usually a sign of a significant eye dilemma referred to as non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking VIAGRA and call your Health care company at once When you have any sudden eyesight reductionFortuitously