Summary
A full "Experiments at Home" Operation Ouch episode. Fun at-home tests reveal how your eyes gather light, how the brain makes sense of what you see, and how easily your vision can be fooled. Free on the official Operation Ouch YouTube channel.
Viewer safety
Ages 7+
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Teaching resources
Discussion questions
Discussion
Your eyes collect light, but it's your brain that turns it into a picture.
- How do your eyes help you see?
- What does your brain do with the information from your eyes?
- Why can optical illusions trick us?
Quick work-a-long
Vocabulary: eye, vision, light, brain, illusion.
Try it: Cover one eye and try to touch two fingertips together in front of you. Tell what happened.