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eye anatomy

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  • What does the brain do with the images from the eyes?
    It switches them around so we can understand them.
    It makes them darker.
    It ignores them.
    It sends them back to the lens.
  • What is the coloured part of the eye called?
    Retina
    Iris
    Cornea
    Lens
  • What helps us see colours and form images?
    The iris
    The pupil
    The retina
    The cornea
  • What does the cornea do?
    It controls eye color.
    It helps protect the eye and focus light.
    It changes size depending on light.
    It sends signals to the brain.
  • Why do some people wear glasses?
    Because the retina doesn’t send signals
    Because the cornea is too large
    Because the iris can’t control the pupil
    Because the lens and muscles can’t focus light correctly
  • What does the retina do?
    It changes the size of the pupil.
    It protects the eye.
    It controls light entering the eye.
    It turns light into signals for the brain.
  • What part of the eye lets light enter?
    Lens
    Pupil
    Retina
    Iris
  • Where is the lens located?
    In front of the cornea
    Behind the pupil
    Behind the retina
    Around the iris
  • What is the main function of the lens?
    To control light
    To protect the eye
    To form colors
    To help focus on near and distant objects
  • How much of our perception of the world comes from eyesight?
    About 80%
    About 100%
    About 50%
    About 20%
  • What happens to the pupil in bright light?
    It changes color.
    It gets smaller
    It gets larger.
    It disappears.
  • What does the iris do?
    It controls the amount of light entering the eye.
    It sends signals to the brain.
    It helps focus images.
    It forms images.
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