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30 Cards in this Set
- Front
- Back
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pupil
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dark center of eye
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conjunctiva
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membrane lining inner surfaces of the eyelids
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cornea
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transparent tissue over pupil and iris, bends light rays
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sclera
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white of the eye
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avascular
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has no blood vessels
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choroid
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dark brown membrane inside the sclera, supplies nutrients to the eye
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iris
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color of the eye, regulates light entering eye
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ciliary body
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on each side of the lens,
adjusts shape and thickness of lens |
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refraction
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bending of rays as they pass thru the cornea and lens
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accommodation
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refractory adjustment of ciliary body
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distant vision
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flattening of lens
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close vision
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thickening and rounding of lens
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aqueous humor
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fluid from ciliary body, found in anterior chamber of eye, maintains shape of eye
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vitreous chamber
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large region behind lends filled with jelly like material
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vitreous humor
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maintains shape of eyeball
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retina
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thin nerve layer of eye
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rods and cones
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sensitive receptors of the retina
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primary colors of light
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red, green, blue
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optic nerve
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nerve b/t eye and brain
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optic disk
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optic nerve meets retina
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macula
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small yellowish area to the side of the optic disk
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fovea centralis
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depression of macula, sharpest vision in eye
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fundus
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inner part of the eye
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binocular vision
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images from both eyes fuse together to create a single vision
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lens
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behind pupil, refracts light for retina
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optic chiasm
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point where fibers of optic nerve cross in the brain
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cone
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cell of the retina, transform light energy into a nerve impulse
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rod
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cell of the retina, for vision in dim light
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hyperopia
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farsightedness
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myopia
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nearsightedness
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