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2 Noun 0 Verb 0 Adj. 0 Adv.
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ENbifocalsNoun
EN
Eyeglasses having two focal lengths, one for near vision and the other for far vision
bifocal lens
bn:00010282n Concept
EN
Spectacles that have corrective lenses of two different powers; used by people who need both distance and reading glasses.
bn:14582844n Concept

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