Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Eye Vocabulary

Cornea Transparent covering that allows light to enter the eye; on a preserved specimen, the cornea is cloudy.
Optic Nerve Bundle of nerve cells that send signals from the eye to the brain.
Aqueous Humor Clear fluid filling the area between the lens and the cornea, composed mostly of water.
Vitreous Humor Viscous fluid that fills the vitreous body; helps maintain the shape of the eyeball.
Retina Light-sensitive portion of the eye composed of receptor cells called cones and rods.
Tapetum Lucidum Iridescent portion of the choroid tissue; helps in night vision by reflecting available light back onto the retina.
Lens Biconvex transparent structure that focuses the light coming in through the cornea and pupil.
Iris Diaphragm that regulates the size of the pupil.
Pupil Opening through which light enters the eye.
Sclera Outer covering of the eyeball; a tough, opaque sheet of connective tissue that protects inner structures of the eyeball and helps maintain rigidity.
Choroid Thin, dark sheet of tissue between the retina and the sclera.
Created by: ozy



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards