Final answer:
The lens of the eye focuses light on the retina and fovea centralis, adjusting to different distances for clear vision.
Explanation:
The lens of the eye is important for focusing light on the retina and fovea centralis. It is a dynamic structure that adjusts to focus on objects at different distances, controlled by ciliary muscles that change its shape to alter the focal length. The lens plays a crucial role in ensuring clear vision and adapting to varying viewing distances.
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