1. Optic glass or optical glass needs to be very clear and transparent as it is used in spectacles, lenses and other devices like microscopes. 2. Optic glasses are produced from the mixture of sand, soda, limestone, barium oxide and boron.

Optic glass:

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Optic glass:

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Optic glass or optical glass needs to be very clear and transparent as it is used in spectacles, lenses and other devices like microscopes.
Optic glasses are produced from the mixture of sand, soda, limestone, barium oxide and boron.

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