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Woman wiping glasses with an yellow eyeglass cloth

Why Do Eyeglasses Get Scratched?

Scratch Analysis Most scratches on eyeglass lenses are caused by wiping the lenses. Very few are caused by contact with substances with a high coefficient of friction or hard substances. Typically, most of the dirt on your lenses is oil from your eyelashes, keratin from your face, fine grit from the air, and dander from …