I started Verapamil SR 360mg for high blood pressure. Approximately 7 days later I began experiencing dark spots in my vision and flashes in my right eye. I immediately went to a retina specialist to be evaluated. I had experienced no trauma, falls, or other issues that may have caused this problem. Five days later the same thing happened in my left eye but more severe. I contacted my cardiologist and asked to be changed to another medication. The deterioration in my eyes continued for several more days. So far, no worse but not better either. I've been back to the retina specialist 2 more times with no answers as to what caused this problem. My cardiologist and my retina specialist have not heard of this situation before and will not confirm or deny that medication may be the cause. Has anyone else experienced eye issues with Verapamil?