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The change in focal length of an eye lens to focus the image of the objects at varying distances is done by the action of
  • a)
    Retina
  • b)
    Ciliary muscles
  • c)
    Iris
  • d)
    Pupil
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The change in focal length of an eye lens to focus the image of the ob...
The ciliary muscles change the focal length of the eye lens to focus objects at variable distances.
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