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bifocal lens

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.06 sec.
bifocal lens [bī′fō·kəl ′lenz]
(optics)
A lens with two parts having different focal lengths.
In particular, an eyeglass lens having one part that corrects for distant vision and one part for near vision.


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Incomnet markets long-distance service, manufactures and markets bifocal lens, and operates a network that allows automobile dismantlers to buy, sell and trade auto parts.
That may no longer be necessary if a new bifocal lens implanted by surgeons in Columbus, Ohio, last month proves successful.
NYSE:BMM), reports that it is again accepting orders for its popular Continua(TM) D28 bifocal lens.
 
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