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9 Cards in this Set

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