Tunnel Vision May 2026

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 - Cleveland Clinic Tunnel Vision

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

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

: A genetic disorder that causes the breakdown and loss of cells in the retina.

: High eye pressure damages the optic nerve, often starting with the outer edges of vision.

: Difficulty seeing objects or motion off to the side.