Eyes and Vision 2 - Focusing Light Quiz

What is the function of the cornea?

• To control the size of the pupil

• To detect light

• To protect the iris and pupil

• To connect the eye to the brain

What does the iris control?

• The size of the pupil

• The color of the eye

• The shape of the lens

• The brightness of light

What is the function of the lens?

• To detect light

• To protect the iris and pupil

• To bend light and form a focused image

• To connect the eye to the brain

What is the function of the retina?

• To protect the iris and pupil

• To bend light and form a focused image

• To detect light

• To control the size of the pupil

What is the function of the optic nerve?

• To detect light

• To connect the eye to the brain

• To protect the iris and pupil

• To control the size of the pupil

Related to the eye, what is the diameter?

• the length of a line that goes from one edge of the eye to the other (like a circle)

• The distance around the eye ball

• Cells at the back of the eye

• A transparent layer

What does it mean to focus?

• To bend light to form a sharp image

• To spend time on your phone

• To open the center of the iris

• To use the brain to see light

What is the pupil?

• A nerve that connects the eye to the brain.

• An opening at the center of the iris that allows light to enter the eye.

• Your eye color.

• A structure that holds students.