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eye anatomy

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  • What is the coloured part of the eye called?
    Lens
    Iris
    Retina
    Cornea
  • What does the cornea do?
    It helps protect the eye and focus light.
    It changes size depending on light.
    It controls eye color.
    It sends signals to the brain.
  • What does the brain do with the images from the eyes?
    It makes them darker.
    It sends them back to the lens.
    It switches them around so we can understand them.
    It ignores them.
  • What part of the eye lets light enter?
    Pupil
    Iris
    Lens
    Retina
  • What helps us see colours and form images?
    The iris
    The cornea
    The pupil
    The retina
  • What is the main function of the lens?
    To help focus on near and distant objects
    To form colors
    To control light
    To protect the eye
  • What happens to the pupil in bright light?
    It disappears.
    It gets smaller
    It gets larger.
    It changes color.
  • What does the retina do?
    It controls light entering the eye.
    It turns light into signals for the brain.
    It protects the eye.
    It changes the size of the pupil.
  • Why do some people wear glasses?
    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
    Because the cornea is too large
  • What does the iris do?
    It controls the amount of light entering the eye.
    It sends signals to the brain.
    It forms images.
    It helps focus images.
  • How much of our perception of the world comes from eyesight?
    About 50%
    About 20%
    About 80%
    About 100%
  • Where is the lens located?
    In front of the cornea
    Behind the pupil
    Behind the retina
    Around the iris
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