Change in focal length of an eye-lens to focus the image of the object at varying distances is done by the action of:

Pupil

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Ciliary muscles

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Retina

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Blind spot

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Solution

The correct option is A Ciliary muscles
The ciliary muscles change the focal length of the eye lens to focus objects at variable distances.

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Similar questions

Ciliary muscles are responsible for changing the focal length of the eye lens according to the distance of the object.

The change in focal length of an eye lens is caused by the action of the

(a) pupil

(b) retina

(d) iris

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