Eye Anatomy Quiz

What is the circular opening at the center of the iris called?

• Lens

• Pupil

• Sclera

• Cornea

What part of the eye protects the pupil and iris?

• Cornea

• Lens

• Retina

• Optic nerve

What is the main function of the lens?

• To send images to the brain

• To trap dust

• To focus light

• To protect the eye

What does the retina do?

• Bends light

• Focuses light

• Sends images to the brain

• Covers the eye

Which part of the eye sends images to the brain?

• Cornea

• Iris

• Optic nerve

• Pupil

What are the thin layers of skin that cover the eye called?

• Eyelids

• Iris

• Eyebrows

• Eyelashes

What do eyebrows and eyelashes help to trap?

• Images

• Water

• Dust

• Light

What is the tough, transparent layer that protects the eye?

• Cornea

• Retina

• Sclera

• Lens

What part of the eye changes shape to focus on objects?

• Sclera

• Cornea

• Lens

• Pupil

What keeps the outer surface of the eyeball moist?

• Optic nerve

• Retina

• Eyelids

• Iris