Question

Ciliary muscles of human eye can contract or relax. How does it help in the normal functioning of the eye ?

Answer 1

Answer:

l hope you will understand friend

Answer 2

Human eye ciliary muscles may relax or contract the eye lens and support to adjust the focal length of the eye lens. Just because of that, the eyes will focus on the retina, representations of nearby objects and distant ones.

Explanation:

Human eye ciliary muscles may relax or contract the eye lens and support to adjust the focal length of the eye lens. Just because of that, the eyes will focus on the retina, representations of nearby objects and distant ones.

By examples we will understand that:

• When a remote target is focussed on the eye. The muscles of ciliary are completely relaxed in this situation.
• The relaxed muscles pull the suspensory ligaments tightly, which in effect pulls the eye lens, whereby the eye lens is thin.
• The limited converging force of the thin eye lens is adequate to combine the perpendicular rays of  light from the distant source to form a picture on the retina.

To know more about Ciliary muscles, visit:

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