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A Review Of designer eyeglasses

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Refraction effects are based on the fact that light travels extra bit by bit in the denser medium. The ratio from the velocity of light in air to its velocity from the medium is known as the refractive index in the medium for light of a certain colour or wavelength. https://prescription-glasses23332.vidublog.com/29240287/the-fact-about-glasses-store-near-me-that-no-one-is-suggesting

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