Definition of optic in English:


Syllabification: op·tic
Pronunciation: /ˈäptik


  • Of or relating to the eye or vision.
    More example sentences
    • Vigilance is needed for any features of possible optic neuropathy, such as blurred vision, impaired colour perception, and reduced visual acuity
    • All patients were diagnosed as having anterior optic neuropathy.
    • The ophthalmic artery may have a separate foramen located between the optic foramen and the superior orbital fissure.


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  • 1A lens or other optical component in an optical instrument.
    More example sentences
    • Not only does the lens have the power of some of the white-coloured optics you've seen at sidelines of football matches and other sporting events, the Leica-made zoom features image stabilisation to reduce blur too.
    • The shop, primarily, handles optics from Leupold and Swift Instruments.
    • This method is reasonably adequate for small optics but breaks down when the optic is exposed to beams substantially larger than the area tested.
  • 2 archaic or • humorous The eye.


late Middle English: from French optique or medieval Latin opticus, from Greek optikos, from optos 'seen'.

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