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Definition of Tunnel vision
1. Noun. Visual impairment involving a loss of peripheral vision.
Definition of Tunnel vision
1. Noun. A restricted field of vision as the result of looking through some type of object or a medical condition. ¹
2. Noun. (figuratively) To focus one's attention on one specific item or event, to the exclusion of everything else.; a one-track mind ¹
¹ Source: wiktionary.com
Medical Definition of Tunnel vision
1. A constriction of the visual field, as though one were looking through a hollow cylinder or tube. Synonym: tunnel vision. (05 Mar 2000)