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15 Cards in this Set
- Front
- Back
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Sclera
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the white of the eye, a tough membrane which protects the eye from injury
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cornea
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the front of the sclera which focuses the light into the eye
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iris
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a donut shaped band of muscles behind the cornea, regulates the amount of light that enters the eye by enlarging or compacting the pupil
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psychological factors and the eye
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emotions such as arousal and pain cause pupils to dialate
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retina
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the light sensative inner part of the membrane
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accommodation
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the process by which the lense increases or decreases curvature
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myopia
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nearsightedness
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hyperopia
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farsightedness
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choroid
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blood vescles in the eye
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rods
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120 million, night vision, periferal vision
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cones
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6 million, color and detailed vision
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Fovea
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section of the eye that contains only cones
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most common type of color blindness
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red-green
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blind spot
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the area that contains no rods or cones
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receptor field
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the area of the retina that feeds input into the ganglion cell
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