Examlex
The bottom of a stream's channel is called its ________.
Optic Nerve
The optic nerve is a crucial part of the visual system, transmitting visual information from the retina to the brain.
Young-Helmholtz Theory
A theory of color vision that proposes three types of color receptors in the eye, responsible for the perception of red, green, and blue.
Fovea
A small depression in the retina of the eye where visual acuity is highest due to the high concentration of cones, which are responsible for color vision.
Visual Sensitivity
The ability of the visual system to detect and respond to small differences or changes in the visual environment.
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