Fresnel prism


Fres·nel prism

a prism composed of concentric rings.

Fres·nel prism

(fres-nel' prizm) A membranous prismatic lens that can be attached temporarily to the spectacle lens of the nondominant eye in diplopia.

Fresnel,

Augustin Jean, French physicist, 1788-1827. Fresnel lens - a lens with a surface consisting of a concentric series of zones that duplicate the power of a lens or prism but with less thickness. Synonym(s): Fresnel prism; lighthouse lensFresnel prism - Synonym(s): Fresnel lens