How do Eyes and Glasses Work? | How to Make Everything: Eyeglasses
How do glasses help us see? - Andrew Bastawrous and Clare Gilbert
How Its Made - 053 Eyeglass Lenses
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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