bifocal
Americanadjective
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Chiefly Optics. having two foci.
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(of an eyeglass or contact lens) having two portions, one for near and one for far vision.
noun
adjective
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optics having two different focuses
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relating to a compound lens permitting near and distant vision
Etymology
Origin of bifocal
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To train a bifocal vision on both the thing and its shadow is an act of respect that begins to undo fear of the unknown.
From Washington Post • Feb. 23, 2023
Among Donald Hall’s poetic abilities is a kind of bifocal perspective where he lets a detail’s richness expand in meaning and also, simultaneously, keeps it in a broad and long perspective.
From Slate • Jul. 5, 2018
As early as 1923, the US government was investigating a scam to fix prices of the nation’s best-selling Kryptok bifocal lenses.
From The Guardian • May 10, 2018
I accidentally learned a simple preventive IF you can afford a bifocal with the close up lens set at a distance for reading a computer screen!
From New York Times • Jan. 2, 2018
She peered down at him through bifocal glasses and handed him a hard plastic debit card.
From "Shooting Kabul" by N. H. Senzai
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
