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eye anatomy

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