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Visual snow syndrome and its relationship with migraine
O Barrachina-Esteve1, I Hidalgo-Torrico2, C Acero3
1Servicio de Neurología, Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain.
Neurologia
|July 13, 2023
Summary
Visual snow syndrome (VSS) is a neurological condition causing constant visual static. Research is advancing diagnostic criteria and exploring links to migraine, though effective treatments remain limited.
Area of Science:
- Neurology
- Ophthalmology
Background:
- Visual snow syndrome (VSS) is a central nervous system disorder characterized by the continuous perception of visual static.
- It affects individuals across all age groups, with a notable prevalence in younger populations.
Purpose of the Study:
- To summarize current understanding of Visual Snow Syndrome (VSS).
- To highlight diagnostic criteria and explore potential pathophysiological mechanisms.
- To investigate the relationship between VSS and migraine.
Main Methods:
- Review of existing literature on VSS.
- Analysis of diagnostic criteria including visual snow, palinopsia, and photophobia.
- Examination of postulated pathophysiological mechanisms like visual cortex hyperexcitability.
Main Results:
- VSS is often underdiagnosed but is gaining research attention.
- Diagnostic criteria have been established, encompassing various visual disturbances.
- A high comorbidity with migraine exists, suggesting shared underlying mechanisms.
Conclusions:
- VSS is an underrecognized neurological disorder with established diagnostic criteria.
- Research is beginning to elucidate its pathophysiology, with links to visual cortex function.
- The strong association with migraine suggests overlapping etiological factors and warrants further investigation.
Keywords:
Aura visualFotofobiaMigraineMigrañaNieve visualPalinopsiaPhotophobiaSíndrome de nieve visualVisual auraVisual snowVisual snow syndromeMore Related Videos
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