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| White fibrous outer layer of eye which protects the eye and acts as an attachment site for eye muscles. |
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| The transparent window of the eye which helps focus entering light rays |
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| Colored part of the eye that surrounds the pupil and regulates its size. It is composed of smooth muscle. |
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| Eye structure that secretes aqueous humor (watery fluid filling the anterior portion of the eye which nourishes the cornea and lens and helps maintain shape), and contains cilliary muscle |
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| Has blood vessles to nourish eye |
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| Circular opening in the center of the iris which allows light to enter |
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| Strong fibers holding the lens in position |
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| Adjusts shape to focus in the process called accomodation |
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| Inner layer of the eye containing visual receptor cells (rods and cones, photoreceptors) |
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| Central region of the retina |
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| Depression in the center of the macula where the sharpest vision is produced |
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| Where nerve fibers of the retina leave the eye and join with the optic nerve |
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| Carry impulses to occipital lobe for deciphering vision |
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| Mucous membrane lining the inside of the eyelids and covering the inside lining of the covering over the eyball |
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| Fluid between the lens and retina of the eye which helps protect and maintain shape |
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