Eye Flashcards
_____ is innervated by CN III and adducts eyeball
Medial rectus
What innervates the superior rectus?
Oculomotor
The ___ artery originates on ophthalmic artery and pases from supra-orbital margin to forehaed and scalp
Supratrochlear
____ is the edge of the iris
Limbis
The ___ artery originates on muscular branches of ophthalmic artery and pierces sclera at attachments of rectus muscles and forms network in iris and ciliary body
Anterior ciliary
_____ is a droopy eyelid that results in an issue with the superior tarsal muscle issue
ptosis
The ___ artery originates on 3rd part of maxillary artery and passes along infra-orbital groove and foramen to face
Infra-orbital
The ___ gland produces tears
Lacrimal gland
The greater and deep petrosal nerves combine to form _____ nerve
Vidian nerve
____ is innervated by CN III and elevates, adducts, and rotates eyeball medially
Superior rectus
_____ is innervated by CN III (deep portion (superior tarsal muscle) is supplied by sympathetics) and elevates the eyelid
Levator palpebrae superioris
What cranial nerves innervate cavernous sinus?
V1, V2, III, IV, VI
The ___ artery originates on ophthalmic artery and pierce sclera to supply ciliary body and iris
Long posterior ciliaries
___ is an eye condition that causes the absence of sweating
Anhidrosis
The _____ is connective tissue that goes all around the eye
superior orbital septum
Is the ciliary relaxed or under tension when the lens is stretched for near vision?
Contracted
The ___ ganglion carries parasymp from CN VII that carries innervation submandibular and sublingual glands; sympathetic comes from superior cervical ganglion and hitches a ride on common carotid; somatic sensory comes from CN V3
Submandibular ganglion
______ peels off of CN VII and hitches a ride on lingual nerve to supply taste to anterior 2/3 of tongue on same side
Chorda tympani
What innervates lateral rectus?
Abducens
The ______ contricts the pupil under parasymp innervation
Sphincter pupillae
The ___ artery originates on ophthalmic artery and pass along superior border of lateral rectus muscle to supply lacrimal gland, conjunctiva, and eyelids
Lacrimal
Tosis, miosis, and anhidrosis make up _____ syndrome
Horner’s syndrome
For far vision, what happen to pupil?
Contracts
______ is innervated by CN VI abducts eyeball
Lateral rectus
The ____ ganglion carries parasymp from CN IX that carries innervation to parotid; sympathetic comes from superior cervical ganglion and hitches a ride on common carotid; somatic sensory comes from CN V3
Otic ganglion
The ____ nerve innervates the superior oblique muscle
Trochlear nerve
The _____ is a flexible plate inside the eyelid
Inferior tarsus
____ is innervated by CN III and depresses, adducts, and rotates eyeball laterally
Inferior rectus
The ___ artery originates on ophthalmic artery and pierces dural sheath of optic nerve and runs to eyeball; branches from center of optic disc; supplies optic retina
Central artery of retina
___ is innervated by trochlear nerve and abducts, depresses, and medially rotates the eyeball
Superior oblique
What innervates inferior rectus?
Oculomotor
The _____ ganglion carries parasymp from CN III that deals with near and far vision; sympathetic comes from superior cervical ganglion and hitches a ride on common carotid; somatic sensory comes from CN V1
Ciliary ganglion
_____ is a condition where the pupil is small caused by parasympathetic innervation being unopposed
Miosis
_____ nerve comes off CN VII and carries preganglionic parasymp fibers
Greater petrosal nerve
The ___ artery originates on ophthalmic artery and courses along dorsal aspect of nose and supplies its surface
Dorsal nasal
The ____ ganglion carries parasymp from CN VII that carries innervation to lacrimal gland and glands of nasal cavity to produce tears and snot; sympathetic comes from superior cervical ganglion and hitches a ride on common carotid; CN V2
Pterygopalatine ganglion
_______ nerve consist of postganglionic sympathetic fibers coming off of the plexus on carotid
Deep petrosal nerve
Are the zonular fibers relaxed or under tension when the lens is stretched for distant vision?
Stretched
The ___ artery originates on ophthalmic artery and pases through anterior ethmoidal foramen to anterior cranial fossa; supplies anterior and middle ethmoidal cells, frontal sinus, nasal cavity, and skin on dorsum of nose
Anterior ethmoidal
What innervates medial rectus?
Oculomotor
The ciliary ganglion carries _____ fibers
Preganglionic parasympathetic
____ is innervated by by CN III and abducts, elevates, and laterally rotates eyeball
Inferior oblique
The ___ artery originates on ophthalmic artery and passes superiorly and posteriorly from supra-orbital foramen to supply forehead and scalp
Supra-orbital
The ___ of the eye is the portion on the retina that has the greatest visual acuity; less blood vessels in the way
Macula
Are the zonular fibers relaxed or under tension when the lens is stretched for near vision?
Relaxed
For near vision what happens to lens?
Fatten lens
The ___ artery originates on ophthalmic artery and passes through ethmoidal foramen to posterior ethmoidal cells
Posterior ethmoidal
The ____ of the eye is the portion of the retina where the optic nerve and vessels enter and create a blind spot
Optic disc
What innervates inferior oblique?
Oculomotor
The _____ drain tears at the corner of the eye
lacrimal canaliculi
The ___ artery originates on ophthalmic artery and pierce sclera at periphery of optic nerve to supply choroid, which in turn supplies cones and rods of optic retina
Short posterior ciliaries
The ___ artery originates on internal carotid and traverses the optic foramen to reach orbital cavity
Ophthalmic artery
_____ ganglion sends out postganglionic parasymp fibers to lacrimal gland and targets in the nose
Pterygopalatine ganglion
What innervates superior oblique?
Trochlear