Eye Anatomy Quiz

What is the outermost layer of tissue in the eye?

• Retina

• Choroid

• Sclera

• Cornea

Which layer of the eye contains photoreceptors to pick up on light?

• Sclera

• Retina

• Choroid

• Iris

What is the function of the choroid layer in the eye?

• Provides structure to the eye

• Contains photoreceptors

• Helps keep light inside the eye

• Protects the eye from dust

Which part of the eye is responsible for focusing light onto the retina?

• Cornea

• Iris

• Lens

• Sclera

What is the function of the optic nerve in the eye?

• To focus light

• To transmit visual information to the brain

• To control the amount of light entering the eye

• To protect the eye

What is the function of the humor in the eye?

• It provides nutrients to the cornea.

• It helps maintain proper density and pressure inside the eye.

• It transmits light to the retina.

• It protects the eye from infections.

What condition is caused by the inability to recycle humor in the eye?

• Cataracts

• Myopia

• Glaucoma

• Astigmatism

What is the outer-covering of the eye?

• Retina

• Iris

• Cornea

• Lens

What determines your eyesight according to the shape of a part of the eye?

• Retina

• Iris

• Cornea

• Pupil

What is the primary function of the iris in the eye?

• It focuses light onto the retina.

• It controls the amount of light that enters the eye.

• It produces tears to lubricate the eye.

• It detects color and movement.