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Etymology: Gk, ophthalmos, eye; L, nervus, nerve
the first division of the trigeminal nerve (CN V), supplying sensory innervation to the forehead, scalp, lacrimal gland, eye, and side of the nose.
ophthalmic nerveAbbreviation: CN V1
The superior trunk of the trigeminal cranial nerve. The ophthalmic nerve is purely sensory; its major branches are the nasociliary, frontal, and lacrimal nerves, which innervate the eyeball, upper part of the nasal cavity, and the skin of the upper eyelids, forehead, and front half of the scalp. COURSE: The ophthalmic nerve leaves the skull and enters the orbit through the superior orbital fissure.
See also: nerve
A branch of the trigeminal (fifth cranial) nerve. It is sensory and has lacrimal, frontal, and nasociliary branches.
See also: ophthalmic