Longevity
Anatomy Explorer
Bifocals
by
Written by
Tim Taylor
Anatomy & Physiology Senior Writer
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
Last updated: Apr 11th, 2026
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Bifocals are lenses with two different focal lengths. Glasses with bifocal lenses correct the eyes for both close and distant vision at the same time.
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