시알리스에 대해 거의 알려지지 않은 사실
unexpected vision reduction in a single or both of those eyes. Sudden vision reduction in a single or each eyes can be quite a indication of a significant eye issue referred to as non-arteritic anterior ischemic optic neuropathy (NAION). Halt taking VIAGRA and phone your Health care service provider right away For those who have any sudden eyesight