Eye Structures and Functions

Front

What is the function of the pupil?

Back

The hole that controls the different amounts of light entering the eye.

Front

True or False: The optic nerve sends messages picked up by the retina to the brain.

Back

True

Front

What is structure number 2 in the eye?

Back

Iris

Front

What controls the size of the pupil?

Back

Iris

Front

What is the outer tough layer of the eye?

Back

Sclera.

Front

What is the role of the cornea in the eye?

Back

The cornea helps to focus light onto the retina.

Front

What is the function of the lens in the eye?

Back

The lens changes shape to help focus light on the retina.

Front

What is the role of the retina?

Back

The retina converts light into electrical signals for the brain.

Front

What is the colored part of the eye that controls the size of the pupil?

Back

Iris.

Front

What is the function of the ciliary body?

Back

The ciliary body controls the shape of the lens.