Definition:
Tunnel Vision results in eye sight that is centrally focused in the direction of the object one is looking at. Peripheral, or side vision, is diminished.
Tunnel Vision
By Sheryl Ankrom, About.com
Updated: March 02, 2009
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Explore Panic Disorder
Must Reads
About.com Special Features
Do I Have Allergies?
Are your symptoms merely irritating, or could they be a sign of allergies? More >
Preventing Headaches
The best way to treat a headache is to prevent it. Learn how. More >
Also from About.com:
©2009 About.com, a part of The New York Times Company.
All rights reserved.