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TED-Ed

How do glasses help us see? - Andrew Bastawrous and Clare Gilbert

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14,456 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.

Watch the video and finish the Think section to complete the lesson.


About 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

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