AMD - Definition

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AMD or age-related macular degeneration is the abnormal and rapid aging of the macula, the central part of the retina. The macula enables the transmission of the details of images perceived by the eye to the brain. In AMD, the images appear distorted and details are no longer perceived. A spot can appear in the middle of the vision and straight lines tend to curl. It is a debilitating disease, where precise activities, driving, or reading are made difficult or impossible. AMD usually appears after the age of 50 and can not be cured, but its progression can be stabilized.