http://articles.mercola.com/sites/articles/archive/2002/11/06/blindness.aspxAge-related macular degeneration (AMD) is the main cause of visual impairment in Western countries. It affects the central region of the retina, the macula lutea, at which visual acuity is the greatest. What is the macula? The macula is a small area justenCommunityServer 2008.5 SP1 (Build: 31106.3070)