Bifocals

n. pl.

1.

eyeglasses whose lenses have two foci, allowing the wearer to see both far and nearby objects clearly. The lenses are partitioned horizontally, the upper and lower parts having different focal lengths.

Polaroid glasses, blinkers, cheaters, colored glasses, contact lens, dark glasses, divided spectacles, eyeglass, eyeglasses, glasses, goggles, granny glasses, harlequin glasses, horn-rimmed glasses, lorgnette, lorgnon, mini-specs, monocle, nippers, pair of glasses, peepers, quizzing glass, readers, reading glasses, shades, specs, spectacles, sun-specs, sunglasses, trifocals