noun Date: circa 1942 constriction of the visual field resulting in loss of peripheral vision, extreme narrowness of viewpoint ; narrowmindedness, tunnel-visioned adjective
TUNNEL VISION
Meaning of TUNNEL VISION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012