bifocals


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bi·fo·cal

 (bī-fō′kəl, bī′fō′-)
adj.
1. Having two focal lengths.
2. Having one section that corrects for distant vision and another that corrects for near vision, as an eyeglass lens.
3. Having two distinct goals or objects of attention: a bifocal approach to the problem.
pl.n. bi·fo·cals (bī′fō′kəlz, bī-fō′-)
Eyeglasses with bifocal lenses.

bi·fo′cal·ism n.

bifocals

(baɪˈfəʊkəlz)
pl n
(Medicine) a pair of spectacles with bifocal lenses
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bifocals - eyeglasses having two focal lengths, one for near vision and the other for far vision
eyeglasses, glasses, specs, spectacles - optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
plural, plural form - the form of a word that is used to denote more than one
Translations
bifokální brýle
bifokale briller
kaksitehosilmälasit
bifokalne naočale
遠近両用メガネ
이중 초점 안경
dubbelslipade glasögon
แว่นสองเลนส์
kính hai tròng

bifocals

[ˌbaɪˈfəʊkəlz] npllunettes fpl à double foyer

bifocals

[baɪˈfəʊklz] nplocchiali mpl bifocali

bifocals

نَظّارَة ثُنَائِيَّة البُؤْرَة bifokální brýle bifokale briller Bifokalbrille διπλοεστιακά γυαλιά gafas bifocales kaksitehosilmälasit lunettes à double foyer bifokalne naočale occhiali bifocali 遠近両用メガネ 이중 초점 안경 dubbelfocusbril bifokale briller okulary dwuogniskowe óculos bifocais бифокальные очки dubbelslipade glasögon แว่นสองเลนส์ çift odaklı gözlük kính hai tròng 双焦眼镜
References in periodicals archive ?
She decided to try Acuvue bifocals when she was told her eyesight was failing.
com - which does not sell any products - contains many pages of advice for eyewear buyers, including information on fashion trends, frame materials, frame quality, lens designs, lens materials, lens coatings, ultra-thin lenses, bifocals and multifocals, photochromics and tints, selecting eyeglasses for children, and more.
Measuring precisely from -25D to +25D, with measurement modes for single vision, bifocals, trifocals and progressive lenses, the PLM-6100 will measure the PD of finished spectacles and a variety of lens indices.
There's also an increasing market for comfortable, lightweight glasses; bifocals called progressives that seamlessly aid distance, intermediate and reading vision; photochromatics, whose lenses darken in bright light; Splitz glasses, which change from pink to purple or yellow to orange in bright light; and protective eyewear for sports, she said.
Their parents turned to reading glasses or bifocals and, for many boomers, the thought of these vanity-crushing alternatives prevents them from seeking a more advanced treatment option from an eye care practitioner.
You often find that some patients have inadvertently been using monovision because of refractive changes and so may be less happy when refitted with multifocals or bifocals.
Today, Americans spend close to a billion dollars a year at the nation's nearly 13,000 optical stores for contact lenses and eyeglasses, including bifocals.
Generally recognized as an invention of Benjamin Franklin's in the 1700s, bifocals are eyeglasses with two distinct optical powers that give wearers the ability to clearly see objects both near and far.
95 for an eye test and new pair of bifocals from The Outside Clinic, which offers NHS-funded home visits.
A recent report highlighted the likelihood of inducing an exophoric shift with bifocals in myopic children and, therefore, compared the effects of prismatic bifocal lenses with single vision and bifocal lenses.
Washington, June 23 ( ANI ): Women require reading glasses or bifocal lenses earlier than men due to factors other than focusing ability, such as arm length or preferred reading distance, which should be considered when prescribing readers or bifocals, a new study has revealed.
WHAT THEY DO: A step beyond no-line bifocals, emPower