Jul 05 2010
Retinitis Pigmentosa Can Respond to Antioxidants
Retinitis Pigmentosa (pigmentosis) is a progressive degenerative disorder of the retina that can cause a profound loss of vision. The typical symptoms include decreased night vision and peripheral vision, usually starting in the first or second decade of life.
A 2006 study found that high doses of antioxidants (vitamins E, C, alpha lipoic acid others) significantly reduced oxidative damage in cones, increased cone cell density and preserved cone function. These results, according to the Johns Hopkins authors, suggest that the gradual cone death that occurs after rod cells die is due to oxidative damage, and that antioxidants could provide benefit those suffering from Retinitis Pigmentosa.
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