-- Robert Preidt
MONDAY, Aug. 9 (HealthDay News) -- Patients with glaucoma who
have more rapid visual field change than other patients may benefit
from a reduction of pressure within the eyeball, new research
In the study, 216 patients with open-angle glaucoma were given
standard treatment for controlling intraocular pressure (a targeted
reduction of 30 percent or more) and were followed up with
re-examination every four months. Patients whose glaucoma continued
to progress received treatment to achieve an additional 20 percent
or more reduction in intraocular pressure.
Being older and having abnormal levels of anticardiolipin
antibody (which is an antibody directed against a certain protein
in the body) were associated with a more rapid rate of visual
change. But reducing intraocular pressure appeared to slow the rate
at which some of these patients experienced declines in visual
field, the study authors found.
While the degree of this slowed rate of decline may not have
been clinically significant for some patients, the difference could
be significant over 20 years, according to Balwantray C. Chauhan,
of Dalhousie University, Halifax, Nova Scotia, Canada, and
colleagues in the Canadian Glaucoma Study Group.
"In younger patients with more advanced damage, this difference is likely to be important," Chauhan and colleagues wrote.
The study was released online Aug. 9 in advance of publication
in the October print issue of the
Archives of Ophthalmology.
The U.S. National Eye Institute has more about
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