Glasses, also known as eyeglasses or spectacles, are visual aids, 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.
Here is a Learning Path about eyeglasses.
You can learn the history of eyeglasses, perfect shape for your face, glasses hacks and more...
Let's talk smart about eyeglasses.
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