Definition: An area of reduced vision or blindness.
As a symptom of multiple sclerosis (MS), a scotoma usually indicates that optic neuritis is occurring.
By Julie Stachowiak, Ph.D., About.com Guide
Updated January 14, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
As a symptom of multiple sclerosis (MS), a scotoma usually indicates that optic neuritis is occurring.