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Question

Which of the following helps eye to adjust the focal length of the lens?
  1. Retina
  2. Ciliary body
  3. Iris
  4. Cornea

A
Retina
B
Iris
C
Cornea
D
Ciliary body
Solution
Verified by Toppr

Ciliary body is a circular structure just behind the iris composed of the ciliary muscle and ciliary processes which attach to the lens. The ciliary processes secrete the aqueous fluid, and the ciliary muscle modifies focus by changing lens shape. Thus the correct answer is option C.

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