Lens Alpha

Posted on Friday, September 11, 2009 in Uncategorized

Lens Alpha

Astronauts get more daily doses of radiation, especially in long-duration missions, such as future flight in March. Consequently, the Falls May occur more frequently among these professionals. Currently, NASA and the National Eye Institute have collaborated to develop a noninvasive tool that can be used to detect very early signs of cataract and monitor any progression.

The protein alpha crystalline lens should be allowed to maintain its target rate refraction, which allows the lens to focus light onto the retina and provide a clear vision. Oxidative stress may cause certain proteins to break into the lens resulting in damaged proteins. Once these damaged proteins and other substances related cell damage in a bad mood, which can result in large groups and the opacity of the crystalline form. This opacity can gradually obstruct the view when they grow and become large enough for cataracts.

This new instrument is expected to evaluate the role of alpha protein crystal and measure their levels and changes. Initially developed for the space program, this measurement method can now be used to detect early signs of damage of the protein caused by oxidative stress. The age-related cataracts, diabetes and certain diseases neurological closed associated with oxidative stress.

Oxidative stress may be caused by UV radiation, Alpha lens level is reduced due to natural aging. Consequently, the Falls can be developed.

As mentioned above, oxidative stress is the main cause of the lens training in cataract. At present, antioxidants are widely accepted to prevent cataracts, but their capacity is also clear. In particular, lutein and zeaxanthin are two antioxidants that reduce the incidence of cataract formation. Daily supplements of antioxidants is useful in preventing cataract formation. These antioxidants can be obtained from vegetables and fruits.

People should also control some risk factors like smoking, obesity and eating a diet rich in foods high in refined sugar. Smoking is estimated that systematically reduces antioxidants in the body. Some experts also believe that visible blue light can cause oxidative damage in the retina. UV protection through the use of sunglasses or contact lenses UV is also very necessary.

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Article Source: ArticlesBase.com – Ways to prevent cataracts formation

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