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8 Cards in this Set
- Front
- Back
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Sclera
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tough white outer covering; maintains shape
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Cornea
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transparent covering at the front of the eye; light first enters the cornea and, because of its curve, it begins the process of refracting light rays to form images
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Anterior Chamber
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contains the aqueous humor; nourishes the cornea and lens; directly behind the cornea
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Pupil
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hole in the middle of the eye where light enters
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Iris
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a circular muscle that controls how much light enters the eye; means "rainbow" in Greek
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Lens
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clear structure behind the pupil and iris that focuses light on the retina; muscles change the shape of the lens to adjust focus
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Vitreous Chamber
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the large inner cavity of the eyeball that contains the vitreous humor (jelly-like substance)
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Retina
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back of the eye where the image is projected; contains photoreceptors that are sensitive to light
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