a doubly convex, transparent body in the eye, situated behind the iris, that focuses incident light on the retina.
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Origin of crystalline lens
First recorded in 1785–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a biconvex transparent elastic structure in the eye situated behind the iris, serving to focus images on the retina
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012