Blue Light Blocking Glasses for Computer Gaming Round Frame - Wells Color:Tortoise EXTENDED WEAR DESIGN – Once
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Blue Light Blocking Glasses for Computer Gaming Round Frame - Wells Color:Tortoise EXTENDED WEAR DESIGN – OnceWhat is blue light? Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long term damage to your eyes. "Nearly 70% of people experience digital eye strain due to prolonged use of electronic devices." The Vision Council. Teddith Blue Blocker Lenses are virtually clear lenses made with a special blue light blocking polymer
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