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I will explain any optical related terminology
I will tell you all about anti-reflective coatings, polycarbonate materials, progressive lenses, varilux lenses, photochromic and Transitions lenses, cylinder power, high index plastic lenses, polarized sunglasses or anything else optical
Sometimes you just want more information about, or don't fully understand your eyeglasses
I can answer any other questions relating to eyewear as well