Eyes Flashcards
what bones make up the orbit?
sphenoid
ethmoid
lacrimal
frontal
maxilla
zygomatic
what openings are in the eye socket?
superior/ inferior orbital fissure
optic canal
secretomotor fibers are:
parasympathetic (IMP for lacrimal gland)
what artery supplies the eye and where does it come from?
ophthalmic artery from internal carotid
Interruption in CN 7 < Pterygopalatine Ganglion < CN V2 < CN V1
can result in:
dry eye and/or vision loss
what muscle of the eye does CN VI innervate?
lateral rectus
what muscles in the eye are innervated by CN III?
Superior, Inferior and medial rectus
inferior oblique
levator palpebrae
what muscle of the eye does CN IV innervate?
superior oblique
what allows for pupillary dilation?
sympathetic nervous system
what provides sensory info to cornea and sclera?
V1
what is the sensory and motor limb for pupillary light reflex?
Sensory: CN II
Motor: Para in CN III