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trifocal
[ trahy-foh-kuhl, trahy-foh- ]
adjective
- Optics. having three foci.
- (of an eyeglass lens) having three portions, one for near, one for intermediate, and one for far vision.
noun
- trifocals, eyeglasses with trifocal lenses.
trifocal
adjective
- having three focuses
- having three focal lengths
noun
- plural glasses with trifocal lenses
˜yÐÄvlog History and Origins
Example Sentences
However, the shooting happened at night, and one witness had poor vision and wore trifocal lenses.
Flores’ girlfriend, who wore glasses with trifocal lenses, picked out Palacios.
I'm really happy about it primarily because I got my cataracts at the best time in America to have cataracts because I got to get the PanOptix Trifocal Lens.
Americans would do well to view anti-Semitism with a trifocal lens.
The least expensive prescription option is bifocal or trifocal glasses with a visible line separating the top portion of the lens, which corrects for distance if necessary, from the bottom portion, which corrects for presbyopia.
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