Tunnel vision and Visual disorder

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

Visual disorder and tunnel vision are semantically related. In some cases you can use "Visual disorder" instead a noun phrase "Tunnel vision".

Visual disorder noun - Impairment of the sense of sight.

Tunnel vision and visual disorder are semantically related. Sometimes you can replace phrase "Tunnel vision" with "Visual disorder", this phrases are similar.