Vision — Tunnel

Tunnel Vision: What It Is, Causes & Treatment - Cleveland Clinic

: When the retina pulls away from the back of the eye, causing sudden vision loss. Tunnel Vision

Tunnel vision, or the loss of peripheral vision, is a condition where your visual field is restricted to a small central area, much like looking through a tube or binoculars. It typically occurs when the "rod" cells in the retina, which are responsible for side and night vision, stop functioning correctly. Tunnel Vision: What It Is, Causes & Treatment