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Posterior view showing
the optic nerve (yellow) surrounded by a ring of arteries & veins that go into the interior of the eye. The
surrounding sclera is white.
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Dorsal view of eye with
top half removed. The trnasparent lens sits behind the iris,
in the ring formed by the ciliary body. The transparent unit
behind the lens represents the vitreous humor.
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Dorsal view of the eye
with lens & vitreous humor removed. The outer layer is
formed by the cornea (transparent) & the sclera (white).
The iris, ciliary body & choroid layers are shown in
red. The retina is the innermost orange layer with blood
vessels over its surface. Trace the blood vessels back to
the optic disk (blind spot), the exit point for the optic
nerve.
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