I rang the bell, and a geeky, middle-aged man in bifocals stuck his head around the door.
That surprised, him, and he eyed me over the top of his bifocals.
The turnstiles were blocked by a sandwich board: Mickey in a Ben Franklin wig and bifocals, holding a trowel.
I removed my glasses to make certain (someday I shall simply have to get bifocals) and saw that it was a foreign cookbook.
The bifocals had returned to their incongruous perch on the dome of the head.
"bifocal spectacles," 1899, see bifocal. Conceived by Benjamin Franklin, but called by him double spectacles.
bifocal bi·fo·cal (bī-fō'kəl, bī'fō'-)
Having two focal lengths.
Having one section that corrects for distant vision and another that corrects for near vision.