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Human Eye

When one is s...

Question

When one is seeing things that are nearby, the ciliary muscles contract to decrease the focal length of the eye lens.

A

True

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False

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Solution

The correct option is A
True

When one is seeing things that are nearby, the ciliary muscles contract to decrease the focal length of the eye lens. As a consequence of this contraction we feel strain in our eyes if we try to focus on things that are too close to our eyes.

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Similar questions

Q. State true or false.
When one is seeing things that are nearby, the ciliary muscles contract to decrease the focal length of the eye lens.

Q. You are given that the diameter of the eyeball is about

2.3

cm and a normal eye can adjust the focal length of its eye lens to see objects situated anywhere from

25

cm to an infinite distance away from it.

What is the power of the (normal) eye lens, when ciliary muscles are fully relaxed?

What is the power of the (normal)eye lens, when ciliary muscles are in their maximum contract position?

The maximum variation in the power of the eye lens, when it adjusts itself, from the normal relaxed position to the position where the eye can see the nearby object clearly?

Q. When the ciliary muscles are contracted, the focal length of the eye lens

Q. When the ciliary muscles are relaxed, the focal length of the eye lens

Relaxation of the ciliary muscles causes the focal length of the eye lens to ________

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