What treatments are available for AMD?
Many national eye centers, including The Cleveland Clinic
Cole Eye Institute, are investigating new medications and
other ways to treat AMD. Although there currently is no medical
or surgical treatment for the dry form of AMD, eyesight may
be helped with low-vision aids that use special lenses or
electronic systems to produce enlarged images of nearby objects.
Patients also can be trained to use their peripheral (side)
vision to help them see more clearly. One recent study found
that taking high levels of antioxidants can reduce some patients'
chances of developing AMD. Ask your eye doctor if this type
of therapy is right for you.
Because the dry form of AMD can change
into the wet form, it is very important for patients to monitor
their eyesight carefully and see their ophthalmologist on
a regular basis.
For patients with the wet form of AMD,
early diagnosis and treatment are critical to save as much
vision as possible. Early diagnosis can help expand treatment
options and increase the likelihood of preserving eyesight.
Several options are available to treat
the wet form of AMD, but not all are appropriate or successful
for all patients. These treatments include:
- Photodynamic therapy - combining
the use of a cold laser with a light-sensitive drug to
destroy abnormal blood vessels. The drug is injected into
the arm and travels to the unwanted vessels in the eye.
This helps avoid damage to healthy retinal tissue.
- Laser therapy - the use of high-energy
lights to destroy actively growing abnormal blood vessels.
- Anti-angiogenesis medications. There
are several drugs that prevent the growth of abnormal
blood vessels currently being used to slow or improve
loss of vision.
- Surgery to remove abnormal blood
vessels and blood. The surgeon may use a genetically engineered
enzyme called tissue plasminogen activator (t-PA) to dissolve
any blood clots under the macula, in a procedure pioneered
and developed by Hilel Lewis, M.D., Cole Eye Institute
Chairman.
The Cole Eye Institute is also testing
several experimental treatments for AMD for patients who
qualify for these studies:
- Macular translocation - This new
procedure may be performed if there are abnormal blood
vessels directly under the center of the macula, where
a laser beam cannot be placed safely. Here, the surgeon
rotates the retina away from the abnormal blood vessels
to an area that is healthy, thus preventing the formation
of scar tissue and further damage to the retina. Then,
laser therapy is used to treat the abnormal blood vessels.
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or 1/800-223-2273 Ext. 42020 to schedule an appointment
with a Cole Eye Institute ophthalmologist. |