crystalline lens

American  

noun

Anatomy.

1. a doubly convex, transparent body in the eye, situated behind the iris, that focuses incident light on the retina.

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crystalline lens British  

noun

1. a biconvex transparent elastic structure in the eye situated behind the iris, serving to focus images on the retina

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Etymology

Origin of crystalline lens

First recorded in 1785–95

Example Sentences

Grayson is blind, the result of a rare genetic disorder that stunts the development of the iris and the crystalline lens covering the eye.

From Los Angeles Times • Jan. 28, 2025

When light enters a new transparent medium, like the crystalline lens of your eye or the glass lens of a microscope, it is bent either away or toward the line perpendicular to the boundary surface.

From Textbooks • Aug. 12, 2015

This protects the patient's crystalline lens and prevents aqueous humor from escaping when Dr. Filatov cuts out a small disk from the cornea directly over the pupil.

From Time Magazine Archive

Dr. Felix Bernstein, a German refugee in Manhattan, developed a machine which measures the elasticity of the crystalline lens of the eye.

From Time Magazine Archive

The crystalline lens is of different degrees of convexity on its two sides.

From A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) by Cutter, Calvin