What is Visual Snow?

Visual Snow is a condition that appears similar to static on a television set, appearing across the entire visual field. Learn more ...

What are Floaters?

Floaters are a condition characterized by the appearance of specks, or spots appearing either intermittently, or constantly across the visual field. Learn more ...

What is Macular Degeneration?

Macular Degeneration is a visual disturbance that can result in loss of central vision, which often entails inability to see fine details, to read, or to recognize faces. Learn more ...

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Many neurologists have come across patients with visual snow, and have little to nothing to offer them because so little is known about the condition.


Visual snow (VS) is the persisting visual symptom of seeing snow or television-like static across their visual field. The snow and static tends to be worse in the dark, but can be seen in all lighting conditions.


VS should not be confused with normal entopic phenomena or vitreous floaters. While these two conditions also cause you to see spots and floating objects, this is not the same as VS.


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Proposed Vitreous Floaters Research


The Eye on Vision Foundation is looking for a safe treatment for vitreous floaters, without the risk of cataract formation or other visual risks and side effects.


Goal - Enzymatic treatment.

Current Problem - Enzymes that dissolve vitreous protein may also dissolve the protein of the zonules supporting the crystalline lens (leading to cataracts).

Proposed Solution - If the lab could distinguish the type of collagen in the vitreous from the type of collagen supporting the crystalline lens and develop a specific agent to dissolve the vitreous collagen, while leaving the protective coating on the lens, we believe this could potentially protect the lens and eliminate floaters at the same time.

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Are you looking for a way to connect with other people suffering from vitreous floaters? Want the latest news? Please consider joining our Facebook Group today:



Visual Snow is Making Headlines

Visual snow is starting to gain some momentum in the press. See the articles below:




Still looking for additional visual snow patients

Dr. Goadsby and Dr. Schankin from UCSF are 100% committed to this research, and are very motivated to help find the cause and hopefully a treatment plan.

To participate in this Visual Snow study you must:

1) Suffer from 24/7 visual snow
2) live in the U.S.
3) Be willing to travel to San Francisco for testing
4) complete a short, very simple phone interview to determine if you are eligible
5) Must be between the ages of 18 - 55

Contact details for the study can be found on http://www.eyeonvision.org or contact the doctors directly at This e-mail address is being protected from spambots. You need JavaScript enabled to view it

These doctors 100% believe in this condition, and that is a great comfort to many patients.


The Headache Group of Dr. Peter Goadsby from the University of California, San Francisco presented their preliminary results of an interview study with patients with ?visual snow? at the American Academy of Neurology 64th Annual Meeting in New Orleans. The platform presentation with the title ?Visual Snow: a New Disease Entity Distinct from Migraine Aura? was held at the headache session of this meeting and received great attention from the auditorium consisting of Neurologists, Neuro-ophthalmologists and Ophthalmologists. It was presented as a ?Highlight in the Field? of both, the headache and neuro-ophthalmology sections.

In June, the project ?Clinical Characterization of ?Visual Snow? (Positive Persistent Visual Disturbance)? was presented by Dr. Christoph Schankin from Dr. Goadsby?s group at the 54th Annual Scientific Meeting of the American Headache Society. It was chosen for the ?Frontiers in Headache Research Scholarship? award by the scientific committee of the American Headache Society. The audience showed great interest in the topic and the results of this study. Many attendees of the presentation communicated having seen patients with ?visual snow? and appreciated research being done to improve knowledge and treatment of this disabling medical condition.

Currently, Dr. Goadsby and Dr. Schankin are investigating the biological mechanism behind ?visual snow? by doing brain imaging studies (routine MRI and PET). They are looking for study participants who would be willing to travel to San Francisco.

The study team can be contacted via this email-address: This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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