Question

Write the structure of eyes lens and state the role of ciliary muscles in the human eye

Answer 1

cilliary muscles use to accomodation of lens while near & distant vision

Answer 2

The structure of the eye lens is biconvex structure and the role of ciliary muscles in the human eye is to improve the 'flow of aqueous humor'.

Explanation:

• The eye lens is behind the pupil, it is a biconvex

• It is led by ciliary muscles, which control the 'focal length' of the eye lens.

• When ciliary muscles contract, the eye lens becomes thin and its focal length improves.

• When the Ciliary muscles give the rest the lens of the eye becomes thick and its focal length will be minimised.

• The 'power of accommodation' of the eye is controlled by the ciliary muscles.

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