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English definition of “ciliary muscle”

ciliary muscle

noun [C]     /ˈsɪl.i.ər.iˌmʌs.l̩/ US  /-er-/ specialized
one of the muscles around the lens of the eye that can change the shape of the lens in order to produce a clear image The eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of ciliary muscle noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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