SAME DAY PRESCRIPTION GLASSES NEAR ME FOR DUMMIES

Ptolemy, in his treatise Optics, held an extramission-intromission idea of eyesight: the rays (or flux) through the eye shaped a cone, the vertex becoming within the eye, and the base defining the Visible industry. The rays had been delicate, and conveyed information again for the observer's intellect about the gap and orientation of surfaces.Once