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| pigmented layer that opens and closes to allow more or less light into the eyes |
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| transparent, biconvex body behind the pupil of the eye that refracts light rays to bring them into focus on the retina |
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| yellowish region on the reina lateal to and slightly below the optic disc and contains the fovea centralis |
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| point at which optic nerve fibers cross in the brain |
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| region at the back of the eye where the optic nerve meets the retina, the blind spot of the eye |
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| cranial nerve carrying impulses from the retina to the brain |
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| central opening of the eye, surrounded by the iris, through which light rays pass |
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| bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the retina |
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| light-sensitive nerve cell layer of the eye containing photoreceptor cells |
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| photoreceptor cell of the retina essential for vision in dim light and for peripheral vision |
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| tough, white outer coat of the eyeball |
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| relay center of the brain, which optic nerve fibers pass through on their way to the cerebral cortex |
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| soft, jelly-like material behind the lens in the vitreous chamber that helps maintain the shape of the eyeball |
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| combined form meaning water--starts with an "a" |
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| combined form meaning eyelid |
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| inflammation of the eyelid |
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| another name for blepharoptosis |
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| combined form meaning conjuctiva |
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| combined form meaning pupil--starts with a "c" |
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| combined form meaning cornea--starts with a "c" |
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| combined form meaning ciliary body or muscle of the eye |
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| combined form meaning tears or tear duct |
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| pertaining to paralysis of the ciliary body |
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| inflammation of the tear gland |
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