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(Left) The human eye in situ with the tunics peeled back, exposing a portion of the vasculature of the retina, lens, and anterior chamber as seen from the side. (Right) The relationship of the paranasal sinuses to the eye. The top figure shows a side view. (Bottom left) Relationship of the sinuses with the orbit as seen by coronal section just posterior to the bridge of the nose. (Bottom right) Relationship of the sinuses with the orbits with the head tilted backwards.
