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CRETE, Ill., Apr 01, 2004 (United Press International via COMTEX) -- An Illinois optometrist is warning athletes and sun worshippers that it's time to put on sunglasses for outside activities in the spring and summer.
Dr. Phillip L. Kaufman says longer days mean more time outdoors for many people in brighter sunlight, increasing the risk of cataracts and retinal damage.
Shortwave UV light causes sunburn and retinal damage and long wavelength IR light causes cataracts.
Kaufman recommends prescription sunglasses because the quality of lenses varys greatly in mass produced "over the counter" sunglasses.
"What most non-prescription sunglasses will filter out is the visible light but not the infrared or ultraviolet," he said. "The problem is compounded because these rays cause no physical discomfort while they are doing damage to the eyes."
Copyright 2004 by United Press International.