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Definition of Tunnel vision

Tunnel vision: Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision. And, by extension, any very narrow point of view. Also called tubular vision.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=24514
Last Editorial Review: 6/14/2012

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