Definition of tunnel vision:
°A restricted field of vision as the result of looking through some type of object or a medical condition.
"It took some time for him to get used to the tunnel vision he experienced while looking through a periscope."
°To focus one's attention on one specific item or event, to the exclusion of everything else.; a
one-track mind.
"After Mark fell victim to tunnel vision, nothing you could say to him would change his mind."
Definition of tunnel vision:
°A restricted field of vision as the result of looking through some type of object or a medical condition.
"It took some time for him to get used to the tunnel vision he experienced while looking through a periscope."
°To focus one's attention on one specific item or event, to the exclusion of everything else.; a
one-track mind.
"After Mark fell victim to tunnel vision, nothing you could say to him would change his mind."