Tunnel Vision Apr 2026

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

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

: Difficulty seeing objects or motion off to the side. Tunnel Vision

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

: When the retina pulls away from the back of the eye, causing sudden vision loss. : A genetic disorder that causes the breakdown

: Significant trouble seeing in low-light environments.

Tunnel Vision: What It Is, Causes & Treatment - Cleveland Clinic : When the retina pulls away from the

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.