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5 Simple Statements About oversized prescription glasses Explained

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Ptolemy, in his treatise Optics, held an extramission-intromission idea of eyesight: the rays (or flux) from the eye shaped a cone, the vertex remaining within the attention, and the base defining the visual field. The rays had been delicate, and conveyed information back again to the observer's intellect about the https://augustpspgx.diowebhost.com/85010067/little-known-facts-about-ham-radio

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