After reading a book, julio looks out of the window and sees clouds in the distance. which change allows julio to clearly see the clouds after looking at his book? a. his corneas become flatter b. his lenses change shape c. his optic nerves begin sending signals d. his vitreous humor becomes denser

The answer is B.

Explanation:

The human lens, by changing shape, functions to change the focal distance of the eye so that it can focus on objects at various distances, thus allowing a sharp real image of the object of interest to be formed on the retina. It can be considered like camera lens movements to focus on one spot or a material. This adjustment of the lens is known as accommodation.

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