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7 Cards in this Set
- Front
- Back
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retina
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serves as a light sensitive screen for the formation of the image
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iris
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ring of muscles that control the amount of light entering the eye
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cornea
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transparent covering that refracts light and helps the lens focus light
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cilliary muscle
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alter the shape of the eye lens
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pupil
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opening in the center of the iris that allows the light to pass through
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lens
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refracts the light rays to focus the image on the retina
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optic nerve
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takes messages from the cells of the retina to the brain
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