In the context of the structure of the eye, the function of both the cornea and the lens is to:
A. mainly regulate the amount of light that enters the eye.
B. record electromagnetic energy and convert it into neural impulses for processing in the brain.
C. bend the light falling on the surface of the eye just enough to focus it at the back.
D. help maintain the shape of the eye and to protect it from injury.
Answer: C
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