26-04-2017
Chemistry

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Why is refraction so important in eyeglasses.

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nerdybandgirl nerdybandgirl

26-04-2017

Normally glass correct the focus of your eyes making a light concentrate where your receptor is in your eyes. Lens have an optic relations that are based on refraction index that set positions of focus as a function of indexes.

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XDTRiXZZY XDTRiXZZY

03-05-2017

cause if it's not there the prescription will be wrong or not be right or could damage eyes

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