tunnel vision(redirected from vision)
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1. A condition in which one's field of vision narrows to a point directly in front of one's eyes, without the ability to see peripherally. I started getting tunnel vision from such a rapid change in altitude.
2. A tendency, habit, or conscious decision to only focus one's energy or attention on a single particular thing or aspect, without regard for anything or anyone else. Tom tends to get tunnel vision when he starts working on a new project, so I wouldn't be surprised if we don't hear from him for a while. The only way I can complete my novels is if I have total tunnel vision while writing, which has had some disastrous effects on my relationships.
1. Lit. a visual impairment wherein one can only see what is directly ahead of oneself. I have tunnel vision, so I have to keep looking from side to side.
2. Fig. an inability to recognize other ways of doing things or thinking about things. The boss really has tunnel vision about sales and marketing. He sees no reason to change anything.
COMMON If someone has tunnel vision, they use all their energy and skill on something that is important to them and ignore other important things. Unfortunately, government departments tend to exhibit extreme tunnel vision. It is often beyond their capacity to appreciate or support something if it benefits more than one department. Note: This expression can also be used to show admiration for someone who has achieved a lot by concentrating on a single thing. They always say that you have to have tunnel vision to be a champion. You can't have any outside distractions at all. Note: You can also use tunnel-vision before a noun. The experts sometimes have a bureaucratic, tunnel-vision view of their mission. Note: Tunnel vision is a medical condition in which someone can only see things that are immediately in front of them, and cannot see things that are to the side.