Does Scotoma Go Away?

A scotoma that happens before a migraine headache is temporary and usually goes away within an hour. If the scotoma is on the outer edges of your vision, it usually does not cause severe vision problems.

How long does scotoma last?

Most scintillating scotomas are temporary and last anywhere from a few seconds to up to 30 minutes. Often, they are associated with migraine headaches (and therefore are sometimes called a migraine scotoma). But scintillating scotoma can occur without head pain as well.

Is a scotoma a floater?

What is a scintillating scotoma? Like other types of scotoma, scintillating scotomas appear as floaters, dots, or blind spots in your field of vision. Scotomas smear and obscure what you see, but they aren't pieces of dust or dirt that have landed in your eye.