Macular degeneration makes close work like threading a needle or reading a book, difficult or impossible. When the macula doesn't function correctly, we experience blurriness or darkness in the center of our vision. Although macular degeneration reduces vision in the central part of the retina, it does not affect the eye's side or peripheral vision. For example, you could see a clock but not be able to tell what time it is. Macular degeneration alone does not result in total blindness.
Most people continue to have some useful vision and are able to take care of themselves.
This is the most common form. In this type of macular degeneration, the delicate tissues of the macula become thinned and cease to function properly. The Wet Type. This is less common, but is typically more damaging. The wet type of macular degeneration is caused by the growth of abnormal blood vessels behind the macula.