Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/30

Click to flip

30 Cards in this Set

  • Front
  • Back
pupil
dark center of eye
conjunctiva
membrane lining inner surfaces of the eyelids
cornea
transparent tissue over pupil and iris, bends light rays
sclera
white of the eye
avascular
has no blood vessels
choroid
dark brown membrane inside the sclera, supplies nutrients to the eye
iris
color of the eye, regulates light entering eye
ciliary body
on each side of the lens,
adjusts shape and thickness of lens
refraction
bending of rays as they pass thru the cornea and lens
accommodation
refractory adjustment of ciliary body
distant vision
flattening of lens
close vision
thickening and rounding of lens
aqueous humor
fluid from ciliary body, found in anterior chamber of eye, maintains shape of eye
vitreous chamber
large region behind lends filled with jelly like material
vitreous humor
maintains shape of eyeball
retina
thin nerve layer of eye
rods and cones
sensitive receptors of the retina
primary colors of light
red, green, blue
optic nerve
nerve b/t eye and brain
optic disk
optic nerve meets retina
macula
small yellowish area to the side of the optic disk
fovea centralis
depression of macula, sharpest vision in eye
fundus
inner part of the eye
binocular vision
images from both eyes fuse together to create a single vision
lens
behind pupil, refracts light for retina
optic chiasm
point where fibers of optic nerve cross in the brain
cone
cell of the retina, transform light energy into a nerve impulse
rod
cell of the retina, for vision in dim light
hyperopia
farsightedness
myopia
nearsightedness