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9 Cards in this Set
- Front
- Back
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Pupil
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Adjustable opening in the center of the eye
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Iris
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Ring of muscle that forms the colored portion of the eye around the pupil and controls the size of the pupil opening
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Lens
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Transparent structure behind pupil that changes shape to focus images on the retina
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Retina
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Light sensitive inner surface of the eye, containing receptor rods and cones plus layers of neurons that begin the processing of visual info
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Rods
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Peripheral retina receptors. Detect black, white, and gray. For peripheral or twillight conditions.
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Cones
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Receptors near center of retina. Detect fine detail and color vision. For daylight or well lit conditions
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Blind Spot
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Region with no rods or cones
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Trichoromatic Theory of Color Vision
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Reg, green, and blue can mix to make all possible colors. We have 3 types of photoreceptors, each most sensitive to a dif range of wavelengths
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Opponent Process Theory
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We have two types of color opponent cells (red-green and blue-yellow)
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