비아그라에 대해 거의 알려지지 않은 사실

unexpected eyesight decline in a single or each eyes. Sudden vision reduction in a single or equally eyes can be a sign of a serious eye difficulty named non-arteritic anterior ischemic optic neuropathy (NAION). Halt having VIAGRA and connect with your Health care service provider straight away In case you have any sudden vision declineTend not to