How to Tell the Difference Between a Polycarbonate Lens vs. Glass Eyeglass Material

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Polycarbonate lenses and glass eyeglass material have a few noticeable differences that you should pay attention to. Learn how to tell the difference between a polycarbonate lens and glass eyeglass material with help from an optical business professional in this free video clip.

Part of the Video Series: Eyeglasses Basics
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Video Transcript

Hi, my name is Amy Clause. I'm an optician at Blue Ridge Optical in Roanoke, Virginia. And today, I want to show you how you can tell the difference between a polycarbonate lens material and a glass lens material. First of all, the glass lens is going to feel much heavier then the polycarbonate lens. The sure way to tell is to gently drop them on the table. First you want to take them out of your eyeglasses with a screwdriver. Gently drop them onto the table and listen to the sound that it makes. A glass lens is going to make a much deeper sound then the polycarbonate lens. Here is the sound that the glass makes and a polycarbonate. You can definitely tell the difference there. If you have rimless eyeglasses you can be sure that you do not have a glass lens. I'm Amy and that's how to tell the difference between a polycarbonate lens and a glass lens.

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