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What Is the Optic Disc

Question 23

Multiple Choice

What is the optic disc


A)  It is the layer of muscle that operates the lens and degenerates with age. 
B)  It is the hole in the retina where the optic nerves exit the eye, causing a blind spot. 
C)  It is the area on the retina where cones are most densely represented, causing a focal point. 
D)  It is the low-acuity outer area of the retina that contains a high density of rods.

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