Age Related Macular Degeneration (AMD) is a degenerative disease of the retina that causes the progressive loss of vision in the centre of the eye. People describe it as having a spot or blurry space in the middle of their vision that interferes with daily tasks like reading and driving. There are two types of macular degeneration, dry and wet.
Dry AMD results when yellow-white deposits called drusen accumulate under the macular, which is the central portion of the retina. Scientists don't know exactly why this occurs.
In wet AMD, abnormal blood vessel growth forms under the macular and leaks fluid, damaging photoreceptor cells. Wet AMD can progress rapidly and cause serious damage. If it's caught early, however, laser surgery may be able to prevent extensive vision loss. The risk of developing AMD increases with age and the disease is the most common cause of vision loss in people over 55, particularly women. While it significantly reduces vision, AMD does not cause total blindness.
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