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