1. Biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina
   "The crystalline lens changes shape to adjust focus for near and far vision"; "The crystalline lens of the eye changes shape to adjust focus for near and far vision";
   - lens, lens of the eye

Derived forms: crystalline lenses

Type of: organ

Part of: eye, oculus [rare], optic

Encyclopedia: Crystalline lens