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The Truth About Sunglasses Do I Really Need Them
By Nathan Sauer
Sunglasses are a necessity first, and a fashion accessory second. They are necessary for protection from ultraviolet (UV) and infrared (IR) rays of the sun. Ultraviolet rays affect our eyes, and prolonged exposure can lead to cataracts. Infrared is basically a heat wave that leads to discomfort in the eyes after extended exposure in the sun. Youngsters and teens are more susceptible to the harmful effects of UV and IR rays. Damage to the cornea, lesions on the eyelids that may become malignant, and wrinkles around the eyes from squinting due to the sun's glare are some of the problems that can occur from prolonged exposure to the sun's rays.
You are more susceptible to UV and IR ray...
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