tunnel vision: Meaning and Definition of

tun'nel vi'sion

Pronunciation: [key]
  1. a drastically narrowed field of vision, as in looking through a tube, symptomatic of retinitis pigmentosa.
  2. an extremely narrow or prejudiced outlook; narrow-mindedness.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.