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

No subtitles available.
Title:
Πώς μας βοηθούν τα γυαλιά να βλέπουμε; - Άντριου Μπάσταρους και Κλέρ Γκίλμπερτ
Description:

View full lesson: http://ed.ted.com/lessons/how-do-glasses-help-us-see-andrew-bastawrous-and-clare-gilbert

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.

Lesson by Andrew Bastawrous and Clare Gilbert, animation by Andrew Foerster.

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Video Language:
English
Team:
closed TED
Project:
TED-Ed
Duration:
04:24

Greek subtitles

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