How do glasses help us see? - Andrew Bastawrous and Clare Gilbert
2,281,444 Views
13,863 Questions Answered
TEDEd Animation
Let’s Begin…
Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction — the ability of a transparent medium, like glass, water, or the eye, to change the direction of light passing through it.
There is increasing evidence that focusing on things held close to the eyes for long periods of time and not spending much time outdoors increases the risk of short sightedness in adolescents. How might teenagers be encouraged to spend less time texting and more time outside?
Sign in to answer questionAbout TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Educator Andrew Bastawrous, Clare Gilbert
- Script Editor Emma Bryce
- Director Andrew Foerster
- Animator Andrew Foerster
- Artist Andrew Foerster
- Narrator Addison Anderson
