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28 Cards in this Set
- Front
- Back
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Superior rectus |
Eye looks up |
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Inferior rectus
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Eye looks down |
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medial rectus |
Eye looks medially |
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Lateral rectus |
Eye looks laterally |
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Superior oblique |
eye rolls, looks down and laterally |
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Inferior oblique |
eye rolls and looks up and laterally |
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Levator palpebrae |
muscle that elevates upper lid |
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lacrimal glands |
secrete tears |
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lacrimal canal |
small canals that pass into the lacrimal sac |
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lacrimal sac |
Collects fluid from superior and inferior lacrimal canals |
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nasolacrimal duct |
empties fluid from the lacrimal sac into the nasal cavity |
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Sclera |
White portion of the outer fibrous tunic of the eye |
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cornea |
transparent structure allows light into the eye and refracts it. |
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palpebral conjunctiva |
mucous membrane which lines the eyelid |
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Bulbar conjunctiva |
mucous membrane which lines the outer layer of the cornea |
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Choroid |
portion of the vascular tunic just beneath the sclera |
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lens |
focuses light |
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suspensory ligament |
fibers which hold lens in position and regulates shape |
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Ciliary body |
made up of the ciliary muscles which adjust the tension on the suspensory ligaments. |
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iris |
muscular structure that controls the amount of light that goes through the pupil |
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pupil |
circular opening in the iris that light goes through |
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Anterior chamber |
space between the iris and the cornea. filled with aqueous humor |
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Vitreous humor |
behind the lens fills the posterior cavity, holds retina in place. |
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retina |
contains the photoreceptor cells. rods and cones |
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fovea centralis |
depression in the center of the macula lutea contains most cones, highest visual activity |
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Macula lutea |
area of the retina directly posterior to lens |
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optic disc |
part of the retina where the optic nerve leaves the eye no rods or cones. blind spot. |
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optic nerve |
Photoreceptors send their signals to the brain by the optic nerve. |
