These are definitely not many of the doable Uncomfortable side effects of Viagra® and generic Viagra®. For more info, talk to your Health care supplier or pharmacist.irregular vision, for instance changes in colour vision (which include aquiring a blue colour tinge) and blurred eyesightunexpected vision loss in one or each eyes. Sudden eyesight d

sudden vision reduction in a single or equally eyes. Unexpected eyesight decline in a single or both of those eyes is usually a indication of a significant eye problem named non-arteritic anterior ischemic optic neuropathy (NAION).abnormal eyesight, for instance modifications in colour vision (such as having a blue shade tinge) and blurred eyesight