When an object is far away the lens in the eye is relatively long and thick; as objects move closer, muscles attached to the lens contract and the lens becomes thicker and rounder.

Question

Quizplus · Accepted Answer

This is correct. The lens in the eye changes shape to adjust the focus depending on the distance of the object being viewed. When an object is far away, the lens is relatively long and thick, but as it moves closer, the muscles attached to the lens contract and the lens becomes thicker and rounder, allowing the eye to focus on the object.

When an Object Is Far Away the Lens in the Eye