Nearly two million people are affected by macular degeneration and this is the leading cause of blindness for those over 65. One fifth of all 80 year-olds suffer from this age-related disease.. There is a central region of the retina where an image must be recorded which is on a tiny piece of tissue that is only about two millimeters in diameter. When that small piece of tissue dysfunctions, we have macular degeneration.
A test to determine if this is the disease that is robbing a patient of his sight is to inject a fluorescent die into the blood stream. In