A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

Letter Published: 08 July 1933 Double Refraction of Oriented Surface Layers A. M. TAYLOR & ALLEN KING Nature 132, 64 (1933) Cite this article ...

News Published: 01 November 1924 The Kerr Effect in Optically Active Liquids Nature 114, 663–664 (1924) Cite this article ...

W., On the Double Refraction of Light, According to the Principles of Fresnel, The National Magazine, Vol. 1, No. 2 (Aug., 1830), pp. 145-149 ...