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troland
troland[′trō·lənd] (optics) A unit of retinal illuminance, equal to the retinal illuminance produced by a surface whose luminance is one nit when the apparent area of the entrance pupil of the eye is 1 square millimeter. Also known as luxon; photon. Troland, L.T.
Troland, L.T., U.S. physicist, 1889-1932. troland - a unit of visual stimulation at the retina equal to the illumination per square millimeter of pupil received from a surface of 1 lux brightness. |