Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Chapter 8 quiz 1

TermDefinition
Accommodation Ability to focus for close vision
Accommodation pupillary reflex reflex constriction of the pupils when viewing close objects
astigmatism blurred vision, resulting from unequal curvatures of the lens or cornea
Cataract clouding of the lens resulting in loss of sight
convergence medial movement of the eyes during focusing on close objects
Emmetropia normal vision
Glaucoma condition of increasing pressure inside the eye, resulting from blocked drainage of aqueous humore
hyperopia inability to focus well on close objects; farsightedness
myopia nearsightedness
night blindness inability to see well in the dark; often a result of vitamin A deficiency
Photopupillary reflex reflex constriction of pupils when they are exposed to bright light
refraction light bending
aqueous humor fluid in the anterior segment that provides nutrients to the lens and cornea
sclera the "white" of the eye
optic disk area of retina that lacks photoreceptors
retina layer containg the rods and cones
vitreous humor gel-like substance that helps to reinforce the eyeball
choroid nutritive (vascular) layer of the eye
Cornea most anterior part of the sclera- your window world
iris pigmented "diaphragm" of the eye
Created by: RobertVoje
Popular Science sets

 

 



Voices

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:
Retries:
restart all cards