Bifocaladjective
(optics) Having two focal lengths
Multifocaladjective
Arising from or occurring in more than one focus or location.
Bifocaladjective
(of a correcting lens) Divided into two parts, one of which corrects for distance vision and the other for near vision
Multifocaladjective
(of an eyeglass lens) having several focusing areas that correct for both nearsightedness and farsightedness.
Bifocaladjective
Having two foci, as some spectacle lenses.
Bifocalnoun
a bifocal lens.
Bifocaladjective
having two foci;
‘bifocal eyeglasses’;
Bifocal
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