When looking at objects closer to the eye, the ciliary muscles
Question
When looking at objects closer to the eye, the ciliary muscles
relax, thinning the lens
contract, increasing the lens's curvature and thickness
have no effect on the lens
detach from the eyeball
Answer
contract, increasing the lens's curvature and thickness
Detailed Explanation
The chapter states that when looking at closer objects, the ciliary muscles contract, increasing the curvature and thickness of the eye lens, decreasing its focal length.