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English definition of “tunnel vision”

tunnel vision

noun [U] uk   us  

tunnel vision noun [U] (SEEING)

a medical condition that makes someone see only things that are directly in front of themEyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasers

tunnel vision noun [U] (THINKING)

disapproving the fact that someone considers only one part of a problem or situation, or holds a single opinion rather than having a more general understandingNarrow-minded
(Definition of tunnel vision from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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