The initials AMD stand for a disorder called age-related macular degeneration. AMD is a disease that affects part of the back of the eye called the macula, the central part of the retina. This can cause the center part of your vision to become blurry or wavy. It could also cause a blind spot in the center of your vision.
Listen to an overview of AMD
by Dr. William F. Mieler, MD, from the transcript of the Illinois Vision Symposium, October 31, 2006