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What is an “Anti-reflective or A.R. coating?

April 26, 2017a.r Coating

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What is an “Anti-reflective or A.R. coating?

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This is a coating that is typically applied to the backside of sunglasses and to the front side and backside of clear lenses. As the name implies, its purpose is to reduce annoying reflections. It is not required for proper vision and is seen more as a convenience feature.