The middle layer of the eyeball is the:
A) choroid.
B) retina.
C) cornea.
D) sclera.
A) choroid.
Correct. The choroid is the middle layer of the eyeball and provides the blood
supply for the eye. The retina is the third and innermost layer of the eyeball. The sclera is the
outer layer. The cornea is the anterior portion of the sclera.
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