The process of which your eyes adjust from darkness to bright light is called
A. dark adaptation
B. light adaptation
C. coding of contrast
D. coding of light intensity patterns
In order to see the dim illumination available from moonlight, you have to depend mostly on
A. your rods
B. your cones
C. the fovea
D. photonic vision
what is found at the place where the optic nerve leaves the eye
A. the fovea
B. the blind spot
C. bipolar cells
D. the cornea
The muscle fibers of the iris can increase or decrease the amount of light entering the eye by expanding or contracting the
A. lens
B. Cornea
C. pupil
D. fovea
In human visual system, light is focused by
A. the cornea
B. the lens
c. the retina
D. both the cornea and retina
The minimum amount of stimulus energy that can reliably be detected is called
A. The difference threshold
B. The absolute threshold
C. The differential threshold
D. A JND
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