- a drastically narrowed field of vision, as in looking through a tube, symptomatic of retinitis pigmentosa.
- the tendency to look at things from only one point of view; prejudice or narrow-mindedness:All empires invariably produce a kind of tunnel vision.
- a fixation on only one objective, course of action, etc.:These special interest groups operate with defiantly single-minded tunnel vision.
- a condition in which peripheral vision is greatly restricted
- narrowness of viewpoint resulting from concentration on a single idea, opinion, etc, to the exclusion of others
