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lens

noun [C] (EYE)
 
 
/lenz/

Definition

the part of the eye behind the pupil (= the black hole at the front of the eye) that helps you to see clearly by focusing (= collecting) light onto the retinaThe eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of lens noun (EYE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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