; Macular Degeneration Fort Myers | Retina Naples Eye Exam

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Macular DegenerationMacular degeneration is the damage or breakdown of the macula of the eye. The macula is a small area at  the back of the eye that allows us to see fine details clearly. When  the macula doesn’t function correctly, we experience blurriness or  darkness in the center of our vision. Macular degeneration affects both distance and close vision, and can make some activities — like  threading a needle or reading — difficult or impossible. Although  macular degeneration reduces vision in the central part of the  retina, it does not affect the eye’s side, or peripheral, vision. For example, you could see the outline of a clock but not be able to  tell what time it is.

Macular degeneration alone does not result in total blindness. People continue to have some useful vision and are able to take care  of themselves.

What causes it?

Many older people develop macular degeneration as part of the body’s natural aging process. The two  most common types of age-related macular degeneration (ARMD) are “dry  (atrophic) and “wet” (exudative). Most people have “dry” macular degeneration, caused by aging and thinning of the tissues of the  macula. Vision loss is gradual. “Wet” macular degeneration accounts  for about 10% of all cases. It results when abnormal blood vessels  form at the back of the eye. These new blood vessels leak fluid or  blood and blur central vision. Vision loss may be rapid and severe.
What are the symptoms?

Macular degeneration can cause different symptoms in different people. Sometimes only one eye loses vision while the other eye continues to see well for many years. But when both eyes are affected, the loss of central vision may be noticed more quickly. Here are some common ways vision loss is  detected:

  • Words on a page look blurred;
  • A dark or empty area appears in the center of vision;
  • Straight lines look distorted or wavy.

How is it  diagnosed?

Many people do not realize that they have a macular problem until blurred vision becomes obvious. A medical eye doctor can detect early stages of macular degeneration during a comprehensive eye exam that includes the following:

  • Viewing the macula with an ophthalmoscope;
  • A simple vision test in which you look at a grid resembling  graph paper;
    amsler grid test for macular degeneration
  • Sometimes special photographs, called angiograms, are taken to  find abnormal blood vessels under the retina. Fluorescent dye is  injected into your arm and your eye is photographed as the dye passes through the blood vessels in the back of the eye.

How is it treated?

In its early stages, “wet”  macular degeneration can be treated with laser surgery, a brief and usually painless outpatient procedure. Laser surgery uses a highly  focused beam of light to seal the leading blood vessels that damage  the macula. Although a small, permanently dark “blind spot” is left  at the point of laser contact, the procedure can preserve more sight overall.

There is currently no cure for “dry” macular degeneration despite  ongoing research. Some doctors believe that nutritional supplements  may slow the condition, although this has not yet been proven. Treatment focuses on helping a person find ways to cope with visual  impairment. Optical devices can be prescribed or you may be referred to a low-vision specialist or center. A wide range of support services and rehabilitation programs are also available to help people with macular degeneration maintain a satisfying lifestyle.

Side vision is usually not affected; therefore, a person’s remaining sight can be very useful. Often, people can continue with many of their favorite activities by using low-vision optical devices such as magnifying devices, closed-circuit television, large-print reading materials, and talking or computerized devices.

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