Age-related macular degeneration (AMD) is a disease that affects a person’s central vision. AMD is the most common cause of severe loss of eyesight among people ages 60 and older. Only the center of vision is affected with this disease. People rarely go blind from it. However, AMD can make it difficult to read, drive, or do other daily activities that require fine, central vision.
AMD happens when the macula begins to break down. The macula is located in the center of the retina and provides us with sight in the center of our field of vision. With less of the macula working, central vision begins to get worse.
The two primary types of AMD have different causes:
Possible risk factors for AMD are:
The following are the most common symptoms of AMD. However, each individual may experience symptoms differently. Symptoms may include:
The presence of drusen, tiny yellow deposits in the retina, is one of the most common early signs of AMD. It may mean the eye is at risk for developing more severe AMD. These will be visible to your doctor during an eye exam.
The symptoms of AMD may look like other eye conditions. Talk with an eye care professional for diagnosis.
In addition to a complete medical history and eye exam, your eye doctor may do the following tests to diagnose AMD:
Specific treatment for AMD will be determined by your doctor based on:
Treatment for wet AMD may include one type of laser surgery in which a high energy beam of light is aimed directly onto the leaking blood vessels to deter further leaking.
Currently, there is no treatment for dry AMD. This does not, however, indicate that sight will automatically be lost, particularly if the AMD affects only one eye. Central vision may eventually be lost or diminished, but generally the rate of loss is slow.
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