Eye Anatomy and Function Quiz

Which part of the eye is responsible for controlling the amount of light that enters?

• cornea

• retina

• pupil

• iris

What is the function of the cornea?

• The function of the cornea is to focus light onto the retina.

• The function of the cornea is to regulate the amount of light entering the eye.

• The function of the cornea is to produce tears.

• The function of the cornea is to protect the eye from dust and debris.

Which part of the eye contains the photoreceptor cells?

• retina

• sclera

• iris

• cornea

What is the function of the lens?

• To absorb light from the environment.

• To focus light onto the retina.

• To protect the eye from dust and debris.

• To transmit electrical signals to the brain.

Which part of the eye is responsible for producing tears?

• sclera

• iris

• cornea

• lacrimal gland

What is the function of the optic nerve?

• Regulate the amount of light entering the eye.

• Transmit visual information from the eye to the brain.

• Transmit auditory information from the ear to the brain.

• Control the movement of the eyeball.

Which part of the eye is responsible for controlling the size of the pupil?

• cornea

• retina

• lens

• iris

What is the function of the sclera?

• The function of the sclera is to regulate the amount of light entering the eye.

• The function of the sclera is to transmit visual information to the brain.

• The function of the sclera is to produce tears for lubrication.

• The function of the sclera is to provide structural support and protection for the eye.

Which part of the eye is responsible for detecting colors?

• retina

• cornea

• lens

• iris

What is the function of the ciliary muscles?

• The function of the ciliary muscles is to produce tears.

• The function of the ciliary muscles is to control the size of the pupil.

• The function of the ciliary muscles is to protect the eye from foreign objects.

• The function of the ciliary muscles is to change the shape of the lens in the eye.