비아그라에 대한 새로운 단계별 지도

†Abnormal Vision: Delicate and transient, predominantly coloration tinge to eyesight, but also improved sensitivity to mild or blurred vision. In these scientific studies, only one affected person discontinued because of abnormal vision.Should you’ve by now had NAION or have crowded optic disc, you'll have a better hazard for NAION and eyesight