Study

How do we see?

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  • Where is the lens located?
    behind the retina
    above the optic nerve
    behind the cornea
    in front of the pupil
  • What is the retina?
    the colored part of the eye
    part of eye that controls the amount of light that enters
    a bundle of nerve cells that send messages to the brain
    the lining at the back of the eyeball
  • Where does light go once it hits the retina?
    to the pupil
    to the cornea
    to the brain
    to the optic nerve
  • What sort of image is projected through the cornea and the lens?
    a right-side up image
    a sideways image
    a reverse image
    an upside-down image
  • What does the pupil do?
    lines the back of the eyeball
    bends the light rays and projects an image onto the retina.
    controls the amount of light that enters the eye.
    sends the light rays to the brain to be interpreted.
  • Which of the following are involved in the vision process?
    nerve fibers, brain, spinal cord
    eyes, brain, spinal cord
    eyes, nerve fibers, brain
    eyes, nerve fibers, spinal cord
  • What is the clear, outer layer of the eye that covers the iris and the pupil?
    cornea
    retina
    lens
    optic nerve