Is This Migraine Aura or Something Else?

Once you know you have migraine with aura, every new visual hiccup becomes a question: is this another aura, or is this something different that I should worry about? I lived in that question for a long time before I finally sat down and learned the actual, distinguishing features doctors use. This book won’t diagnose you — only an eye doctor or neurologist can do that.

What it will do is give you a calmer, more informed starting point, so your own worry has somewhere useful to land instead of spiraling in the dark. There’s a strange side effect of finally getting a migraine aura diagnosis: instead of relief, a lot of us get a brand new job — nervously auditing every visual blip for the rest of our lives, trying to sort each one into ‘that’s just my aura again’ or ‘wait, is this different?’ A diagnosis explains what’s been happening. It doesn’t automatically teach you how to stop worrying about the next thing.

That part takes real information, learned calmly. Migraine aura has a few characteristic features that, taken together, distinguish it from most other visual events. Typical features of migraine aura Builds gradually over 5–20 minutes, rather than appearing instantly.

Often shows a shimmering, zigzag, or jagged edge, sometimes called a ‘fortification’ pattern. Frequently expands or moves slowly across the visual field. Usually resolves within 60 minutes. Often, though not always, followed by a headache. Doctors sometimes describe aura as ‘marching’ — a gradual spread across the visual field, unlike the sudden, all-at-once onset of many other visual events.

This gradual build is one of the single most useful distinguishing features, and it’s worth learning to notice and time, if you’re able to, during an episode. If your visual symptom builds slowly, over several minutes, and looks similar to auras you’ve had before, that pattern itself is genuinely reassuring information — not a diagnosis, but a real, recognized pattern your brain has learned to make before. Here’s a side-by-side to help you sort what you’re experiencing into a general category, before you ever pick up the phone to call anyone.

similar to prior auras, often followed by headache. A brief, simple flash or blob with eyes closed or after rubbing (a phosphene). before and been told are stable. with no gradual build. A new, large shower of floaters arriving together. How does today’s symptom compare to my usual aura — same build, same shape, same duration?

What would help me track this more clearly next time — a timer, a simple note in my phone? One clear, simple rule is worth holding onto: any aura that behaves meaningfully differently than your established pattern — new symptoms, a different shape, a much longer duration, or a first-time occurrence after age 50 — deserves a call to your doctor, even if it turns out to be nothing. You are never overreacting by asking your doctor about something that felt different.

That call is exactly what doctors are there for. Whatever today’s symptom turns out to be, let’s land here together before you go. Pause wherever you are. Let your eyes rest on one object nearby — really look at it, its color, its edges. Name it silently: ‘I can see this clearly.’ Find two more things the same way.

Say quietly: ‘My eyes are doing their job right now, in this moment, and that is enough.’ Rest here for a few slow breaths before you move on with your day. You now have real, learnable features to compare against — the gradual march, the familiar shape, the usual duration — instead of just raw fear. That’s not a diagnosis.

It’s a calmer starting point. Knowing the facts doesn’t replace your eye doctor. But it does replace the panic. Next in the series: Flashes and Floaters — what retinal detachment actually looks like, and how it differs from migraine. awake at 2 AM, phone brightness turned all the way down, googling things like “flash of light closed eyes brain tumor”

with her heart pounding. She is not a doctor. She is someone who lived inside visual health anxiety long enough to finally sit down with real ophthalmology resources, real doctors, and real patience, and learn what was actually common, what was actually rare, and how to tell the difference without spiraling.

She writes gently, because she knows exactly how loud the fear gets. Every book she writes pairs plain medical explanation with a soft landing — because knowing the facts helps, but it isn’t the whole cure. The rest is learning, slowly, to trust an imperfect, wonderfully ordinary pair of eyes again.

Want the whole journey? Times — the full story, with every practice, every episode, and every lesson in one place. The Identity Series — on reclaiming yourself from the condition: Person on the Horizon Movement & Parenting — by Sarah J.S.: Hormones & Migraine — also by Sarah J.S.: Caregiving & the Sandwich Generation — by Steven Albert K.S.: Your Aging Parent About Their Migraine Healing & Lightness — by Jake R.: Grateful Body Visual Health Anxiety — by Amanda Q.