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The change in focal length of an eye len...

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

A

pupil.

B

retina.

C

ciliary muscles.

D

iris.

Text Solution

Verified by Experts

The correct Answer is:
C

The ciliary muscles contract and expand, in order to change the curvature of the eye lens for focussing the image of an object at varying distances at the retina.
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