How do Eyes and Glasses Work? | How to Make Everything: Eyeglasses
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How do glasses help us see? - Andrew Bastawrous and Clare Gilbert
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How Its Made - 053 Eyeglass Lenses
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The Best Glasses For You (it's not just about face shape)
Glasses, also known as eyeglasses or spectacles, are devices consisting of glass or hard plastic lenses mounted in a frame that holds them in front of a person's eyes, typically using a bridge over the nose and arms which rest over the ears.
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