crystalline lens(redirected from crystalline lenses)
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The lens of the eye in vertebrates and certain invertebrates.
(Anatomy) a biconvex transparent elastic structure in the eye situated behind the iris, serving to focus images on the retina
n., pl. lens•es.
1. a piece of transparent substance, usu. glass, having two opposite surfaces either both curved or one curved and one plane, used in optical devices for changing the convergence of light rays, as for magnification, or in correcting defects of vision.
2. a combination of such pieces.
3. some analogous device, as for affecting sound waves, electromagnetic radiation, or streams of electrons.
4. a doubly convex, transparent body in the eye, behind the pupil, that focuses incident light on the retina.
5. a body of rock or ore that is thick in the middle and thinner toward the edges, similar in shape to a biconvex lens.
[1685–95; < New Latin; Latin lēns a lentil (a lens so called from its shape); compare lentil]
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|Noun||1.||crystalline lens - biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina|
organ - a fully differentiated structural and functional unit in an animal that is specialized for some particular function
lens capsule - a tenuous mesoblastic membrane surrounding the lens of the eye