1. (n.) An opera glass

2. (n.) elaborate double eyeglasses.

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