Lesson 3, Eye Function, 3rd reading

What is the function of the cornea?

• To adjust the size of the pupil

• To bend light entering the eye

• To send nerve signals to the brain

• To produce color in the eye

What does the pupil do?

• Adjusts the shape of the cornea

• Regulates the amount of light entering the eye

• Changes the color of the eye

• Sends images to the brain

What surrounds the pupil and controls its size?

• Lens

• Retina

• Iris

• Cornea

What happens when light passes through the lens?

• The image becomes clearer

• The image becomes upside down and reversed

• The pupil becomes larger

• The iris adjusts the light

What is the function of rods in the retina?

• To help see colors

• To help see in dim light

• To focus light

• To combine images from both eyes

What type of light do cones help you see?

• Dim light

• Black and white

• Bright light

• Low light

Where does the optic nerve send signals to?

• The retina

• The iris

• The occipital lobe

• The lens