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Cards In This Set
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Functioning Organs of Vision
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Eye and ear
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Functional Process of the Eye
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(1)an image is formed on the retina; (2)the rods and cones are stimulated; (3)nerve impulses are conducted to the brain
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Eyeball
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Composed of the sclera, the choroid, and the retina, and is connected to the brain by optic nerve
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Sclera
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External production
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Cornea
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Light refraction
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Choroid
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Middle layer of the tissue
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Ciliary Body
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Secretion of vitreous fluid
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Iris
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Color portion
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Retina
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Back of eye, responsible for night vision
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Rods
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Means of distinguishing light from dark, and perceiving shape and movement
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Cones
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Color vision
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Conjunctiva
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Pink area under eyelid
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Anterior Chambers
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Space between the iris
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Aqueous Humor
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The fluid occupying both the anterior and posterior chambers
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Vitreous Humar
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Jellylike fluid; it maintains the globular shape of the eyeball and facilitates the refractions of images
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