How Your Eyes Work

What is the main job of your eyes?

• To detect patterns of light

• To control the amount of light that enters the eye

• To create a rough image of the world

• To connect the retina to the brain

What is the cornea?

• The dark round circle in the colored part of your eye

• The clear outer part of your eye

• The lens of the eye

• The cable connecting the retina to the brain

What is the function of the pupil?

• To detect patterns of light

• To control the amount of light that enters the eye

• To create a rough image of the world

• To connect the retina to the brain

What happens to the pupil in bright light?

• It narrows

• It widens

• It stays the same

• It disappears

What happens to the pupil in dim light?

• It narrows

• It widens

• It stays the same

• It disappears

What is the function of the lens?

• To detect patterns of light

• To control the amount of light that enters the eye

• To focus the light coming into your eye

• To connect the retina to the brain

What is the retina?

• The dark round circle in the colored part of your eye

• The clear outer part of your eye

• The lens of the eye

• The lining at the back of the eye

What do the cells in the retina do?

• Detect light and turn it into electrical signals

• Control the amount of light that enters the eye

• Create a rough image of the world

• Connect the retina to the brain

What is the optic nerve?

• The dark round circle in the colored part of your eye

• The clear outer part of your eye

• The lens of the eye

• The connection between the retina and the brain

What does the brain do to the image seen by the retina?

• Turns it upside down

• Makes it blurry

• Makes it black and white

• Makes it disappear