Definition of varifocal in English:
 varifocal
adjective ˌvɛːrɪˈfəʊk(ə)l
Denoting a lens that allows an infinite number of focusing distances for near, intermediate, and far vision.
 Example sentencesExamples
-  Alternatively, some people use varifocal or bifocal lenses in order to see objects clearly that are both close up and far away.
 -  As if it's not bad enough that I have eyesight that requires varifocal lenses, now even those need replacing.
 -  Problems were experienced by people who wore spectacles, particularly varifocal or bifocal lenses.
 
nounˌvɛːrɪˈfəʊk(ə)l
varifocalsVarifocal glasses.
 Example sentencesExamples
-  Remember, this is a new you, with newfound confidence and think to yourself: if this new guy likes me than he will like me as I am, wrinkles, cellulite and varifocals.
 -  The optometrist saved me a bundle of cash and a great disappointment by telling me of a problem with varifocals I'd not heard of before.
 -  I'm going to need varifocals this time so, to avoid a shock on the day, I asked the price.
 -  So now I make sure I have the lot: varifocals, reading glasses, prescription sunglasses, contact lenses, plain sunglasses for over the contacts, and reading glasses for over the contacts!
 
Rhymes
  
bifocal, focal, local, univocal, vocal, yokel