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Thin and Dark lenses can be up to 30% lighter than PGX; they are 5% liter in density than PGX and can be 25% thinner (1.5mm CT vs. 2.0mm CT). The difference in weight between single Thin and Dark lens and standard plastic lens with a 2.00d Rx and a 50-eye size is equal to about the weight of a dime.
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How much lighter in weight is Thin and Dark than PGX and how much heavier than a standard plastic lens?
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