Multiple Choice
A light hits your retina with a wavelength of 610 nm. Which cones will be stimulated, and what color will you perceive? Use the figure to help you answer.
15. The Special Senses
Rods, Cones, and Light
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The optic disc on the retina is __________.
A
a dense collection of rod cells
B
the location of the macula lutea
C
where the optic nerve leaves the eye
D
the area of greatest visual acuity
Verified step by step guidance1
Understand the anatomy of the eye, focusing on the retina and its components.
Identify the role of the optic disc in the eye's anatomy. The optic disc is the point where the optic nerve exits the eye.
Recognize that the optic disc is also known as the 'blind spot' because it lacks photoreceptor cells, meaning it does not detect light.
Differentiate between the optic disc and other parts of the retina, such as the macula lutea, which is responsible for high-acuity vision.
Conclude that the optic disc is not a dense collection of rod cells, nor is it the location of the macula lutea or the area of greatest visual acuity, but rather where the optic nerve leaves the eye.
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