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What exactly are UV rays? How does it affect the eyes?

April 26, 2017affect eyes Rays UV

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What exactly are UV rays? How does it affect the eyes?

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10 Posted

Ultraviolet (UV) rays are located just past the violet portion of the visible light spectrum;UV light is broken into three different types: UVA, UVB and UVC. UVA has longer wavelengths and passes through glass easily; among these UVB rays are the most dangerous, making sunglasses and sunscreen a must; they don’t go through glass. UVC rays do not reach the Earth because its atmosphere blocks them. But UVB rays can even damage the eyes completely and wide exposure of the eyes to this without sunglasses is truly harmful.