tunnel vision

US /ˈtʌn.əl ˌvɪʒ.ən/
UK /ˈtʌn.əl ˌvɪʒ.ən/
"tunnel vision" picture
1.

vision en tunnel

a condition in which a person can only see things that are directly in front of them

:
The patient suffered from tunnel vision after the accident.
Le patient souffrait de vision en tunnel après l'accident.
His peripheral vision was severely limited, a classic symptom of tunnel vision.
Sa vision périphérique était sévèrement limitée, un symptôme classique de la vision en tunnel.
2.

vision étroite, manque de recul

the tendency to focus exclusively on a single or limited point of view, often to the exclusion of broader perspectives or alternative ideas

:
His tunnel vision prevented him from seeing the bigger picture.
Sa vision étroite l'a empêché de voir la situation dans son ensemble.
The team's tunnel vision on one solution led them to miss other viable options.
La vision étroite de l'équipe sur une seule solution les a conduits à manquer d'autres options viables.