bifocal eyeglasses

bifocal eyeglasses

A corrective lens containing upper and lower segments, each with a different power. The main lens is for distant vision; the secondary lens is for near vision.
References in periodicals archive ?
I am 55 years old, have been near-sighted my whole life, and have been using bifocal eyeglasses for about 15 years, so I'm excited about having the UM3 scope mount at my disposal.
This statesman-scientist went on to invent the Franklin stove, bifocal eyeglasses, the lightning rod, not to mention our republic's experiment in ordered liberty.
Last month Wal-Mart announced a back-to-school promotion at its vision centers with discounts on eyeglass lenses and frames for youths, as well as promotion for adults on selected brands of contact lenses, single-vision and bifocal eyeglasses, and sunglasses.