Question

When ciliary muscles relax the thickness of the lens?

Answer 1

Answer:

When the ciliary muscle is relaxed, the choroid acts like a spring pulling on the lens via the zonule fibers causing the lens to become flat.

Answer 2

Answer:

The process is called accomodation. Ciliary muscles relax the lens, for the distant object. The lens becomes thin, which is less rounded and long in shape.

Explanation:

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