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English definition of “retina”

retina

noun [C]     /ˈretɪnə/
a part at the back of the eye, which is affected by light and sends messages to the brainEyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasersThe eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of retina noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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