glasses

Noun

 * 1) Spectacles, frames bearing two lenses worn in front of the eyes.
 * 2) Field glasses; binoculars.

Usage notes

 * A sight-improving lens for a single eye is a monocle.
 * Though confusion is unlikely, clarity as to quantity is improved by using the expressions "a pair of glasses" (or "a pair of eyeglasses"). When they are being counted, the “pair of” is required: "(however many) pair(s) of eyeglasses.”

Synonyms

 * , specs, bioptikon