Color vision

a. is accomplished by rods at night and cones during the day.
b. depends on the three cone types' various ratios of stimulation in response to different wavelengths of light.
c. is usually lost in vitamin A deficiency.
d. depends on activation of a specific cone for each visible color.
e. is made possible by convergence within the cone pathways.


B

Anatomy & Physiology

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Anatomy & Physiology