Eye & Ear Review 2025

What part of your eye sends the messages to and from your brain?

• retina
• optic nerve
• iris
• vitreous humor

gel substance that gives the eye shape and "holds" the retina against the back of the eye

• optic nerve

• iris

• vitreous humor

• retina

Where does light refract for a 2nd time, and focuses light on the retina?  This structure's shape can be changed slightly in order to adjust focus.

• Lens

• Cornea

• Pupil

• Optic Nerve

Which of the following is the correct order in which light travels through the eye?  

• Cornea, Lens, Retina, vitreous humor, Pupil, aqueous humor

• Pupil, vitreous humor, Cornea, Lens, aqueous humor, Retina

• Cornea, vitreous humor, Retina, Lens, aqueous humor, Pupil

• Cornea, aqueous humor, Pupil, Lens, vitreous humor, Retina

Tags

NGSS.MS-PS4-2

The white portion of the eye which is made of strong connective tissue and allows for muscles to attach to it.

• Pupil

• Sclera

• Dyslexia

• Retina

What is the innermost layer and most delicate layer of the eyeball where photoreceptors are located?

• Sclera
• Choroid
• Retina
• Cornea

Which part of the eye contracts and dilates based on the amount of light present in the environment? 

• Pupil

• Cornea

• Sclera

• Iris

What is letter E?

• Vitreous humor
• Retina
• Cornea
• Optic nerve

Which structure is the scalpel making an incision through? This structure is considered the first lens.

• Crystalline Lens

• Sclera

• Pupil

• Cornea

Which protective thick layer is being cut through to divide the eyeball in half?

• Cornea

• Vitreous Humor

• Sclera

• Pupil