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Which Plant Extract Can Help Prevent Cataract?

author:Naturalindate:2015-03-27 15:54Click: times
LuteinA cataract is a clouding in the eye’s clear lens, it prevents the passage of light from which you need for vision. Everyone is at risk of developing cataracts because age is the greatest risk factor. Other risk factors include: obesity, hypertension, smoking, family history of cataracts, diabetes, inadequate antioxidant intake, previous eye injury or inflammation, previous eye surgery, and excessive exposure to sunlight.

Several recent studies show that lutein, zeaxanthin and resveratrol—antioxidant phytonutrients—help prevent and/or delay the progression of cataracts and other eye diseases.

Lutein and zeaxanthin are the only carotenoids detected in the human lens and may protect against cataracts by filtering harmful short-wave blue light, and by providing antioxidant support. According to a report published in the January 2008 issue of Archives of Ophthalmology, high intakes of lutein and zeaxanthin were found to help protect healthy postmenopausal women against cataracts in a large scale. These phytochemicals have also been shown to improve macular degeneration in patients. Investigators also concluded that women with the highest intake of lutein and zeaxanthin were 18 % less likely to develop cataracts.

Resveratrol, the potent antioxidant found in grapes and red wine, has preventative and regenerative abilities that inhibit and potentially reverse cataract development, as well as age-related macular degeneration and retinal diseases. Researchers from Turkey studied resveratrol had effects on inhibiting the development of induced cataracts in laboratory animals and concluded that resveratrol suppressed cataract formation which had been caused by oxidative stress in the group of rats. This finding supports the possibility that high natural consumption of resveratrol (in food and supplements) can help prevent cataracts in humans.
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