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Eye Care Basics
Macular Degeneration
Causes
Macular degeneration is the leading cause of blindness in the United
States. In macular degeneration, the macula (i.e., the part of
the retina responsible for clear central vision) undergoes vascular
changes that may cause loss of central vision. This condition is
usually permanent and may progress if it goes undetected and untreated.
Symptoms
The symptoms of macular degeneration include:
- gradual loss of clear central, or "straight-ahead," vision
- distorted or wavy vision
- gradual loss of color vision
- a dark or empty area (i.e., "blind spot") in the center
of your field of vision
Diagnosis and Treatment
The more common form of macular degeneration is the dry form. Unfortunately,
there is no known treatment for this form. A less common form of
macular degeneration is the wet form, in which fluid leaks from
blood vessels surrounding the macula. If detected early, this form
may be treatable with certain laser procedures. Although central
vision loss cannot be restored, special optical devices can be prescribed
to help maximize the effectiveness of remaining vision. In addition,
certain vitamin and mineral supplements may help prevent or slow
the progression of macular degeneration.
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