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Structures of the eye
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anterior cavity
holds aqueous humor
anterior chamber
holds aqueous humor
aqueous humor
refracts light
helps maintain intraocular pressure
bulbar conjunctiva
covers the anterior white surface of the eye
canal of Schlemm
recycles aqueous humor
choroid
houses the blood vessels
cilliary body
controls shape of lens
cilliary muscle
control shape of lens
cilliary process
produces aqueous humor
cornea
refracts light
fibrous tunic
sclera and cornea
inferior oblique
elevates and and laterally deviates gaze
inferior rectus
depresses eye
medially deviates gaze
iris
controls amount of light entering pupil (pupil size)
lacrimal canal
carries tears to lacrimal sac
lacrimal gland
produces tears
lacrimal sac
holds tears produced by the lacrimal gland
lateral rectus
laterally deviates gaze
abducts eye
lens
bends and focuses light onto retina
refracts light
changes shape to adjust focal point
levator palpebral superioris
elevates upper eyelid
medial rectus
medially deviates gaze
adducts eye
nervous (sensory) tunic
retina
neural retina
responds to light
optic nerve
transmits visual information to the brain
ora serrata
seperates retina from cilliary body
palpebral conjunctiva
covers the inner surface of the eyelids
posterior cavity
holds vitreous humor
posterior chamber
holds aqueous humor
pupil
allows light to enter the retina
retina
where transduction occurs
contains neurons sensitive to light
cones
responsible for color vision and visual acuity
rods
non color vision
vision under conditions of low light (night vision)
sclera
maintains shape of eyeball
provides a site for muscle attachment
superior oblique
depresses and laterally deviates gaze
superior rectus
elevates eye
medially deviates gaze
suspensory ligaments
holds lens in place
vascular tunic
choroid, cilliary body, iris
vitreous humor
refracts light
helps maintain intraocular pressure
holds the lens and retina in place
Author
emilysouders
ID
81788
Card Set
Structures of the eye
Description
functions
Updated
2011-04-26T19:45:36Z
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