bifocal

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bifocal

1. Optics having two different focuses
2. relating to a compound lens permitting near and distant vision
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
(7) John Durham Peters, "Seeing Bifocally: Media, Place, Culture," in Culture, Power, Place, p.
A 15" monitor results in less squinting, an important plus for those of us who are bifocally challenged.