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[glasses lens]

I had wanted the lenses tinted the darkest grey as sunglasses for our 6 year old son, however after I had selected initially my order still said clear lenses. When I went to modify it still wasn't changing the lenses colour? Is the grey or G-15 tint darker?

The customer service of CheapPrescriptionglasses.net is very professional, and help me to solve my issue. Thanks.