Tags: fish | vision | loss | sight

Fish may Prevent Vision Loss

Monday, 04 June 2012 10:35 AM

Fatty acids found in fish may offer protection against age-related vision loss, according to new research.
The study, by University of Alberta investigators, found that a particular omega-3 fatty acid in fish -- known as DHA -- prevented age-related vision loss in lab tests.
"This discovery could result in a very broad therapeutic use," said Yves Sauve, who led the laboratory study, published in the journal Investigative Ophthalmology & Visual Science.
Sauve and his team’s research found DHA blocks the buildup of a toxic molecule that can accumulate in the retina of the eye as people get older, causing vision loss.
"In normal aging, this toxin increases two-fold as we age,” he noted. “But in lab tests, there was no increase in this toxin whatsoever. This has never been demonstrated before – that supplementing the diet with DHA could make this kind of difference."
The research team is now studying people who have age-related macular degeneration, the leading cause of blindness in those over the age of 50. The scientists are looking for DNA markers in the blood of study participants in the hope that those with certain genetic traits will respond better to increasing amounts of DHA in their diet and why.
The study was funded, in part, by the Canadian Institutes of Health Research.

© HealthDay

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Fatty acids found in fish may offer protection against age-related blindness.
Monday, 04 June 2012 10:35 AM
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