Visual System 1: The Eye and Its Structures

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What is the role of the suspensory ligaments in the eye?

To produce aqueous humor

To hold the lens in position (correct)

To dilate the pupil

To adjust the shape of the cornea

Which part of the eye is responsible for controlling the amount of light that enters?

Iris (correct)

Vitreous humor

Ciliary body

Aqueous humor

What is the role of the ciliary muscle in accommodation for near vision?

Produces vitreous humor

Dilates the pupil

Holds the lens in position

Contracts to make the lens more spherical (correct)

Which of the following humors nourishes the cornea and lens?

Aqueous humor Signup and view all the answers

What is the refractive index of the vitreous humor?

$1.34$ Signup and view all the answers

Which layer of the eye is responsible for providing most of the refractive power?

Cornea Signup and view all the answers

What is the function of the suspensory ligament in the eye?

Holds the lens in place and helps converge light rays on the retina Signup and view all the answers

Which structure in the eye contains blood vessels that nourish the eye structures?

Choroid Signup and view all the answers

What is the purpose of lateral inhibition between neurons of the retina?

Enhances contrast in visual processing Signup and view all the answers

In which layer of the eye do the receptor cells line the posterior 2/3 of it?

Retina Signup and view all the answers

Visual System 1: The Eye and Its Structures

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Questions and Answers

What is the role of the suspensory ligaments in the eye?

Which part of the eye is responsible for controlling the amount of light that enters?

What is the role of the ciliary muscle in accommodation for near vision?

Which of the following humors nourishes the cornea and lens?

What is the refractive index of the vitreous humor?

Which layer of the eye is responsible for providing most of the refractive power?

What is the function of the suspensory ligament in the eye?

Which structure in the eye contains blood vessels that nourish the eye structures?

What is the purpose of lateral inhibition between neurons of the retina?

In which layer of the eye do the receptor cells line the posterior 2/3 of it?

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