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Definition of: bifocal

(bī·fō′kəl) adjective Optics
Having two foci: said of a lens ground of both near and far vision. [<BI- + L focus hearth, focus of a lens]

Most often used phrases:

bifocal lenses
bifocal media
bifocal lens
bifocal eyeglasses
bifocal extradural
bifocal glasses
bifocal spectacles

'bifocal' used in domains:

bifocalsforless.com
buybifocalcontactlenses.com
bifocalusa.com
progressivebifocal.com
bifocalcontactlensreviews.com
softbifocalcontactlens.com

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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