Tunnel Vision -

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

: Significant trouble seeing in low-light environments. Tunnel Vision

: Frequently bumping into objects, tripping, or feeling anxious in crowded spaces. 2. Psychological and Situational Tunnel Vision Tunnel Vision: What It Is, Causes & Treatment

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

Beyond biology, "tunnel vision" also describes a physiological response to extreme stress or intense focus: