Flaps and Tunnel vision

Flaps noun - A movable airfoil that is part of an aircraft wing; used to increase lift or drag.

Tunnel vision and flaps are semantically related. In some cases you can use "Tunnel vision" instead a noun "Flaps".

Tunnel vision noun - Visual impairment involving a loss of peripheral vision.

Flaps and tunnel vision are semantically related. Sometimes you can use "Flaps" instead a noun phrase "Tunnel vision".