Tunnel Vision: What It Is, Causes & Treatment - Cleveland Clinic
Beyond biology, "tunnel vision" also describes a physiological response to extreme stress or intense focus: Tunnel Vision
Tunnel vision is often a symptom of serious underlying eye conditions: 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