The optic disc Select one: a. is located in the vascular tunic. b. is the site of greatest visual acuity. c. is also called the macula lutea. d. is on the anterior surface of the eye. e. contains no photoreceptor cells.

The answer is option e. contains no photoreceptor cells.

Explanation:

The optic disc corresponds to a small slightly oval area on the visual field of each eye that is blind to sensory stimuli (light) because it lacks rods and cones (photoreceptor cells). It can be described as the distal portion of the optic nerve that begins just behind the sclera to the retinal surface. It is formed by ganglionic cells output fibres, conveying visual information from retina to the brain, that converge as they exit the back of the eye. This actually marks the beginning of the optic nerve, the cranial nerve that carries visual information to the the brain.

explanation:

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