Is it true that ciliary muscles help in the accommodation ability of the eye lens?

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Detailed Solution

The above statement is true.
The ciliary muscle is a group of layers of smooth muscles. They hold the eye lens inside the eye socket.
"The power of accommodation is the ability of the eye to adjust its focal length according to the distance of the object from the eye."
Ciliary muscles are responsible for bringing this change. For the distant object, the focal length of the eye lens must be large enough to obtain the object's image on the retina. In other words, the eye lens must be thinner, and the ciliary muscles must be relaxed. The focal length of the eye lens increases when the ciliary muscles are relaxed, and the lens becomes thinner.
Since the human eye contains a transparent, jelly-like structure known as a lens, ciliary muscles are attached to all its sides.

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