The optic disc is a blind spot because

A) there are no photoreceptors in that area.
B) the retina lacks nerves in the optic disc.
C) humans are unable to focus light on that area of the retina.
D) the vitreous body is too thick in this area for the passage of light.
E) the fovea prevents light from striking the optic disc.


A

Anatomy & Physiology

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