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How do Glasses Help us See?

Aug 24, 2016 by Thumper Massager

It is estimated that around 500 million people have some form of vision impairment. Luckily for most of the Western world, most people have access to glasses, contacts, or even laser eye surgery to correct their vision. Glasses are by far the most popular with approximately 64% of Americans using them everyday. But how exactly do glasses help us see? How can two lenses focus an image in HD? To find out, watch the video below.

https://youtube.com/watch?v=ypF037wlYZg%3Frel%3D0%26showinfo%3D0%2520frameborder%3D0%2520allowfullscreen