Glossary of Eye Definitions and Glasses Terms

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


Polycarbonate frames

Polycarbonate frames are made up of a specific type of plastic material that is stronger and lighter than other types of plastic traditionally used to craft glasses. Polycarbonate frame material is virtually unbreakable, resilient to impact, and weighs less than the other materials more commonly used to make glasses frames. Polycarbonate frame glasses typically cost more than traditional plastic counterparts due to their complexity in production, resilience, and lightweight, however, they are more cost-efficient in the long term since they require less frequent replacements from damage.

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