Migraine Term of the Day: Scotoma

Patient Expert
HealthCentral

Writer's note: Some of you have expressed an interest in learning more of the medical terminology that comes up when discussing migraine disease and other headache disorders. So, I'll be posting a "term of the day," on a regular basis. If there are terms you'd like to have defined, please leave a comment below.

When we're given migraine and headache information, whether from our doctor, a book, or an online article, we sometimes come across medical terms that can be confusing. While it's easy enough to substitute another word or a short phrase for the medical term, there are times when substituting doesn't quite convey the same meaning.

Scotoma is one of those terms.** Scotoma** is an area of decreased or lost vision. When discussing Migraine disease and other headache disorders, we generally see** scotoma** listed as a possible visual symptom of Migraine aura.

You can read more about the symptoms of Migraine and Migraine aura, including scotoma in:

For more terms, see our Migraine Medical Terms Glossary Index.

Medical review by John Claude Krusz, PhD, MD.