The lens:
A) is the transparent outer membrane of the eye that covers the pupil and iris.
B) allows one to focus on objects at different distances.
C) allows light initially to enter the eye.
D) controls the amount of light entering the eye.
Answer: B
Rationale: The lens is a clear structure that focuses light onto the back of the eye. Changing the shape of the lens allows you to focus on objects at different distances. This process is known as accommodation.
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