비아그라에 대해 알아야 할 고려 사항
sudden vision decline in a single or the two eyes. Unexpected eyesight decline in a single or both equally eyes could be a indicator of a significant eye challenge referred to as non-arteritic anterior ischemic optic neuropathy (NAION). Halt having VIAGRA and contact your healthcare provider instantly When you've got any sudden vision lossRarely, m