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Green Tea May Ward Off Eye Disease
Substances found in green tea work their way into the tissues of
the eye and could protect against common eye diseases like
glaucoma, researchers say.
The findings, published in the current issue of the Journal of
Agricultural and Food Chemistry, suggest that the substances, known
as catechins, are absorbed by the lens, retina and other parts of
the eye. Catechins are antioxidants thought to protect the body
against damage from oxygen.
According to Chi Pui Pang and colleagues from the department of
ophthalmology and visual sciences at the Chinese University of Hong
Kong, it wasn't known if catechins make their way from the mouth to
the gastrointestinal system to the eyes.
The study authors gave green tea to rats and then tested their
eyes to see if catechins affected them. They did, reducing
oxidative stress in the eye for up to 20 hours.
"Our results indicate that green tea consumption could benefit
the eye against oxidative stress," the authors said.
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