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Optical vs Glasses - What's the difference?

optical | glasses |

As an adjective optical

is of, or relating to sight; visual.

As a noun glasses is

.

optical

English

Adjective

(en adjective)
  • Of, or relating to sight; visual
    • Strabismus is an optical defect.
    (rfex)
  • Designed to assist or enhance sight
    • A microscope is an optical instrument.
  • Of, or relating to optics
    • Refraction is an optical effect.
  • Of, or relating to visible light
    • Optical telescopes don't work when it is cloudy.
  • Incorporating light-sensitive devices
    • An optical switch opens the door automatically.

    Anagrams

    * *

    glasses

    English

    (wikipedia glasses)

    Noun

    (head)
  • (pluralonly) spectacles, frames bearing two lenses worn in front of the eyes

    • 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") or "(however many) pairs of eyeglasses".

    Synonyms

    * (spectacles) eyeglasses (US), specs, bioptikon

    Derived terms

    * John Lennon glasses * sunglasses

    See also

    * bifocals * contact lens * monocle * pince-nez * shades * varifocals

    External links

    * (commonslite)

    Anagrams

    * English pluralia tantum