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The change in focal length of an eye lens to focus the image of objects at varying distances is done by the action of the:

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The change in focal length of an eye lens to focus the image of objects at varying distances is done by the action of the:

A. pupil

B. retina

C. ciliary muscles

D. blind spot

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Ciliary muscles help in changing the focal length or the curvature of the eye lens so that we can see the object clearly. This is called as the accommodation.

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