Glossary of Eye Definitions and Glasses Terms

Want to discover all things eyewear? Find out more about your eyeglasses and sunglasses, word by word.


Core Wire

Core wire is an important part of the frame of the glasses, helping the temples of the glasses to retain their shape and connect to the lenses. Core wire glasses, or glasses with exposed core wire temples and a slight metallic frame encompassing the lenses, are becoming increasingly popular, often used to create a more delicate, vintage appeal to the look of the glasses while maintaining the overall shape of the glasses.

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