Ophthalmic nerve



ophthalmic nerve n.
The ophthalmic branch of the trigeminal nerve, whose frontal, lacrimal, and nasociliary branches supply sensation to the eye socket and its contents, the anterior part of the nasal cavity, and the skin of the nose and forehead.

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    ophthalmic artery n. An artery with origin in the internal carotid artery that passes through the optic foramen and that branches to the central artery of the retina and to the ciliary, meningeal, lacrimal, conjunctival, episcleral, supraorbital, ethmoidal, palpebral, nasal, and supratrochlear arteries.

  • Ophthalmic

    [of-thal-mik, op-] /ɒfˈθæl mɪk, ɒp-/ adjective 1. of or relating to the eye; ocular. /ɒfˈθælmɪk/ adjective 1. of or relating to the eye adj. “pertaining to the eye,” early 18c., from Latin ophthalmicus, from Greek ophthalmikos “pertaining to the eye,” from ophthalmos “eye” (see ophthalmo-). ophthalmic oph·thal·mic (ŏf-thāl’mĭk, ŏp-) adj. Of or relating to the […]



  • Ophthalmia

    [of-thal-mee-uh, op-] /ɒfˈθæl mi ə, ɒp-/ noun 1. inflammation of the eye, especially of its membranes or external structures. /ɒfˈθælmɪə/ noun 1. inflammation of the eye, often including the conjunctiva n. “inflammation of the eye, conjunctivitis,” late 14c., from Medieval Latin obtalmia, Old French obtalmie, from Late Latin ophthalmia, or directly from Greek ophthalmia, from […]

  • Opposed-piston engine

    [uh-pohzd-pis-tuh n] /əˈpoʊzdˈpɪs tən/ noun 1. a reciprocating engine, as a diesel engine, in which each cylinder has two pistons that move simultaneously away from or toward the center.



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