What is the function of the cornea in the eye?
Physiology of Vision

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Science
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10th - 11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The cornea changes the direction of light rays as they enter the eye, helping to focus light onto the retina.
2.
FLASHCARD QUESTION
Front
What is the role of the sclera?
Back
The sclera protects the interior components of the eye from injury and makes up the exterior of the eye.
3.
FLASHCARD QUESTION
Front
What does the ciliary body do?
Back
The ciliary body changes the shape of the lens when the eye focuses and produces the clear fluid that fills the space between the cornea and the iris.
4.
FLASHCARD QUESTION
Front
How does the iris function in vision?
Back
The iris regulates the amount of light entering the eye and helps focus light rays on the retina.
5.
FLASHCARD QUESTION
Front
What is the purpose of the lens in the eye?
Back
The lens focuses light rays that pass through it and changes the focal distance of the eye.
6.
FLASHCARD QUESTION
Front
Define the retina.
Back
The retina is the light-sensitive layer at the back of the eye that converts light into neural signals for the brain.
7.
FLASHCARD QUESTION
Front
What is the role of the optic nerve?
Back
The optic nerve transmits visual information from the retina to the brain.
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