What Is the Optic Disk

question 278

Multiple Choice

What is the optic disk?

• A)a tiny spot in the center of the fovea where there is a high concentration of rods and cones
• B)the portion of the lens which focuses incoming light
• C)the point at which the optic nerve fibers leave the back of the eye
• D)a transparent membrane that lies just behind the pupil of the eye and that helps funnel light waves to the lens and retina

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