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


13,410 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.

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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