Silent Migraine & Visual Aura Without Headache: Kaleidoscope Vision, Zigzag Lines & Blind Spots

Can you have a migraine without a headache?

In this episode of Migraine Heroes Podcast, host Diane Ducarme explores silent migraine, visual aura without headache, and symptoms such as kaleidoscope vision, zigzag lines and blind spots, helping you understand what may be happening in the brain and why these symptoms can feel so unsettling.

In this episode, you will learn:

• Why migraine aura can happen without headache pain.
• How to recognize zigzag lines, blind spots, kaleidoscope vision and other visual aura symptoms.
• How Western science and Traditional Chinese Medicine interpret these sudden neurological changes.

Understand what these visual changes may be telling you, and when they deserve closer attention.

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References:

• The International Classification of Headache Disorders, 3rd Edition (International Headache Society, 2018): The official classification defines migraine aura and typical aura without headache. Read more here.
• What Does a Migraine Aura Look Like?A Systematic Review (Joppeková et al., 2025): This review summarizes aura symptoms, mechanisms, diagnosis, and differential diagnoses. Read more here.
• Spreading Depolarization as a Therapeutic Target in Migraine (Harriott & Ayata, 2025): This review examines spreading depolarization as the biological basis of migraine aura and a potential treatment target. Read more here.
• Migraine Aura Symptoms: Duration, Succession and Temporal Relationship to Headache (Viana et al., 2016): This diary study examines the timing and sequence of aura symptoms and headache. Read more here.
• Clinical Features of Migraine Aura: Results From a Prospective Diary-Aided Study (Viana et al., 2017): This study describes the variety and variability of visual, sensory, and language aura symptoms. Read more here.
• Cortical Spreading Depression and Migraine (Charles & Baca, 2013): This review examines cortical spreading depression and its proposed relationship to migraine aura. Read more here.
• Neuroimaging in the Pre-Ictal or Premonitory Phase of Migraine: A Narrative Review (Karsan & Goadsby, 2023): This review examines brain changes occurring before migraine headache begins. Read more here.
• Migraine Aura Without Headache (Shah, Dilwali & Friedman, 2018): This review covers aura without headache, its diagnosis, physiology, and differential diagnosis. Read more here.
• Migraine Aura Without Headache: Transient Ischaemic Attack or Not? (Dennis & Warlow, 1992): This study compares aura without headache with transient ischemic attacks. Read more here.
• Aura Phenomenon: A Proposal for an Etiology-Based Clinical Classification (Pensato et al., 2025): This review proposes distinguishing migrainous aura from aura caused by other neurological conditions. Read more here.

This podcast is for informational purposes only and isn't a substitute for medical advice. Always consult your healthcare provider for health-related concerns.