Eye Anatomy

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

• Retina

• Lens

• Pupil

• Cornea

Which part of the eye changes shape to focus light on the retina?

• Iris

• Lens

• Sclera

• Pupil

What is the transparent, outer layer of the eye called that covers the iris and the pupil?

• Sclera

• Retina

• Cornea

• Choroid

Which part of the eye contains photoreceptor cells that convert light into electrical signals?

• Iris

• Retina

• Lens

• Cornea

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

• Cornea

• Sclera

• Iris

• Choroid

The optic nerve is responsible for:

• Producing tears

• Transmitting visual information from the retina to the brain

• Changing the shape of the lens

• Controlling the amount of light entering the eye

Which part of the eye acts as a protective white covering and provides attachment points for muscles that move the eye?

• Iris

• Sclera

• Cornea

• Retina

The aqueous humor is found in which part of the eye?

• Between the lens and the retina

• In front of the lens and behind the cornea

• Behind the retina

• Within the optic nerve

What is the role of the vitreous humor in the eye?

• To provide oxygen and nutrients to the eye

• To absorb light and prevent reflection

• To maintain the shape of the eye

• To adjust the focus of the lens

The macula is a part of which eye structure?

• Iris

• Retina

• Lens

• Cornea