The Types Of Macular Degeneration You Get by Candace Hubbs
Among older individuals macular degeneration is the top cause of blindness or vision loss. This degeneration refers to the tissues around the macula which is the part of the retina that allows for sharp vision.
The exact cause of the degeneration is not fully known. However many experts believe that as we age the macula tissue degrades thins. As the tissue deteriorates deposits debris build up in the macula. Two versions of macular degeneration are known to exist.
The main characteristic of dry macular degeneration is when drusen appears. Drusen are spots yellowish in color that are caused by deposits form deteriorating tissue around the macula. Dry macular degeneration does not cause as severe vision loss as the wet version but no definitive treatment has been found. Some studies have shown that certain vitamins may slow the progress of the degeneration.
A small percentage of dry macular degeneration will result in the more serious vision threatening wet version. Wet or neovascular macular degeneration is most likely the body's way of trying to repair dry macular degeneration. In the wet version a new network of tiny blood vessels forms underneath the retina. These vessels leak blood other fluids. The fluids damage the cells of the retina causes blind spots in the central vision. After time the damage to the cells of the retina becomes so severe that complete vision loss is the result.
Neovascular macular degeneration comes in two types. The occult version is the less severe. In this version the new vessels are not as distinct. Also the leakage is less evident. In the classic category the new blood vessels are very pronounce form distinctive lines beneath the retina. The leakage is also more evident. This type of macular degeneration causes the most severe vision loss.
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