Glossary of Eye Definitions and Glasses Terms

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



An optometrist is an eye care specialist that provides treatment for visual impairment and eye diseases. As opposed to some other different types of eye doctors, such as ophthalmologists or opticians, an optometrist is not actually a licensed medical eye doctor, though they must complete a degree from a recognized school of optometry and earn doctor of optometry degree in order to give optometrist eye exams, write prescriptions for glasses or contacts, or treat different eye diseases.

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