Vision Practice Quiz

What is letter B?

• Optic nerve
• Lens
• Cornea
• Retina

What is letter E?

• Vitreous humor
• Retina
• Cornea
• Optic nerve

Which of the following is the correct order of the structures through which light passes after entering the eye?

• Lens, pupil, cornea, retina
• Pupil, cornea, lens, retina
• Cornea, retina, pupil, lens
• Cornea, pupil, lens, retina

Changes the shape of the lens when the eye focuses. It also makes the clear fluid that fills the space between the cornea and the iris.

• Ciliary Body

• Vitreous

• Macula

• Choroid

Answer explanation

If the eye is not working well, objects might look blurry. What does the eye do to keep an image in focus?

•  A. Change the pupil diameter.

•  B. Change the lens shape.

•  C. Change the light intensity.

•  D. None of the above.

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

• retina
• optic nerve
• iris
• vitreous humor

What is the function of the retina?

• bend light so that our eyes are able to adjust in various settings.
• control the movement of our eyes. 
• sends impulses to the brain for visual recognition. 
• protect the eye from bacteria and debris. 

Photoreceptors that detect color are called..

• Cones
• Rods

This part of the eye has photoreceptors called rods and cones.  They help us to see color and see at night.  It is called:

• optic nerve
• brain
• retina
• cornea

What is letter F?

• Retina
• Pupil
• Vitreous humor
• Iris