bifocal

Ms. Rosenberg is easily identifiable thanks to a binocular contraption she straps around her head, which is attached to bifocal lenses that allow her to quickly turn between the judge’s magnified expression and her sketches.

To train a bifocal vision on both the thing and its shadow is an act of respect that begins to undo fear of the unknown.

Then I swept the front porch, lugged waterproof throw pillows from the basement and located my bifocal sunglasses.

Researchers randomly assigned 294 myopic children, average age 10, to one of three groups: the first wore high-power bifocal contact lenses, the second medium-power bifocal lenses and the third regular single-vision contacts.

It’s meant for the bifocal vision that only comes with age.