Noun
A restricted field of vision, especially as the result of looking through some type of object or a medical condition.
Some people experience tunnel vision during a panic attack.
It took some time for him to get used to the tunnel vision he experienced while looking through a periscope.
(figuratively) The tendency to focus one's attention on one specific idea or viewpoint, to the exclusion of everything else.
Synonym: one-track mind
After Mark fell victim to tunnel vision, nothing you could say to him would change his mind.
Great theories are expansive; failures mire us in dogmatism and tunnel vision. Stephen Jay Gould
To be a tennis champion, you have to be inflexible. You have to be stubborn. You have to be arrogant. You have to be selfish and self-absorbed. Kind of tunnel vision almost. Chris Evert
I was single-minded and I had tunnel vision. Now it's time for a change. Evelyn Ashford
It's that one thing that you're passionate about, that you end up developing tunnel vision for and everything else tends to fall by the wayside. Passion is appealing and universal. Johnny Galecki
I just kind of do my thing with sort of tunnel vision for the story and my role and how it fits together. Lin Shaye
When your child is sick, you have tunnel vision. Nick Cassavetes