Multiple Choice
Which area of the retina has the highest concentration of cones?
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15. The Special Senses
Rods, Cones, and Light
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Which process allows more light to reach the periphery of the retina?
A
Retinal convergence
B
Foveal adaptation
C
Pupil dilation
D
Lens accommodation
Verified step by step guidance1
Understand the anatomy of the eye: The retina is the light-sensitive layer at the back of the eye, and the periphery of the retina is responsible for peripheral vision.
Identify the role of the pupil: The pupil is the opening in the center of the iris that regulates the amount of light entering the eye.
Explain pupil dilation: Pupil dilation is the process by which the pupil enlarges to allow more light to enter the eye, which is particularly useful in low-light conditions.
Relate pupil dilation to peripheral vision: When the pupil dilates, more light reaches not only the central retina but also the peripheral areas, enhancing peripheral vision.
Conclude that pupil dilation is the process that allows more light to reach the periphery of the retina, improving vision in dim lighting conditions.
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