Anatomy of the Eye Quiz

What is the primary function of the cornea?

• To regulate the amount of light entering the eye

• To focus light onto the retina

• To produce aqueous humor

• To provide structural support to the eye

How does the iris control the amount of light entering the eye?

• By changing the shape of the lens

• By contracting and relaxing its muscles

• By producing tears

• By adjusting the size of the cornea

What role does the ciliary body play in vision?

• It provides blood supply to the eye

• It produces tears

• It changes the shape of the lens

• It transmits light to the retina

Which part of the eye is responsible for central vision and fine detail?

• Cornea

• Choroid

• Macula

• Sclera

What is the function of the optic nerve?

• To protect the eye from infections

• To carry signals to the brain for visual recognition

• To produce aqueous humor

• To focus light onto the retina

What is the primary function of the choroid?

• To produce aqueous humor

• To provide blood supply to the retina

• To focus light onto the retina

• To control eye movement

How does the conjunctiva protect the eye?

• By producing aqueous humor

• By providing structural support

• By producing mucus and tears

• By focusing light onto the retina

Which muscle is responsible for elevating the eye?

• Superior rectus

• Medial rectus

• Inferior oblique

• Lateral rectus

What does the term 'adduct' mean in relation to eye movement?

• The eye turns outwards

• The eye moves up

• The eye turns inwards

• The eye rotates laterally

Which muscle is responsible for abducting the eye?

• Inferior rectus

• Lateral rectus

• Superior oblique

• Medial rectus