Visual Snow Syndrome: Understanding Symptoms, Causes, and Treatment

Published on
March 3, 2023

Visual snow syndrome is one of the most misunderstood visual conditions that is out there. In this article, we will delve into its symptoms, diagnosis, and treatment. We will learn how this condition makes people see static on everything that they look at and how it can be severe enough to impede their daily activities such as reading, driving, and functioning. We will also find out the cause of the condition and the different symptoms that come with it. Lastly, we will explore the available treatments and vision correction options that may help manage visual snow syndrome.

What is Visual Snow Syndrome?

Visual snow syndrome is a visual condition where people do not see clearly. Instead, they see a lot of little speckled dots on everything that they look at. It kind of reminds you of the static that you'd see on an old television set that wasn't getting good reception. Visual snow syndrome is also known as just Visual Snow or denoted as VS. When someone sees this visual snow, they see this static all the time, from the moment they wake up in the morning to the moment they go to bed at night.

Symptoms of Visual Snow Syndrome

Some people with visual snow syndrome can tune it out and ignore it to a minimal degree, while others may experience severe symptoms that interfere with their daily activities and quality of life. 

Some of the common symptoms of visual snow syndrome include: 

  • Visual Snow: The most common symptom of visual snow syndrome is the presence of tiny flickering dots, static, or snow-like visual disturbances in the person's vision. These visual disturbances are often described as being similar to the static seen on a television screen or the static-like noise heard on a radio. The snow can be present in one or both eyes and may be more noticeable in certain lighting conditions.
  • Nyctalopia: Also known as night blindness, Nyctalopia is a difficulty in seeing at nighttime or in low light conditions. This can be especially problematic for individuals with visual snow syndrome, as it can exacerbate their other visual symptoms.
  • Photophobia: Photophobia is a condition where a person experiences extreme sensitivity to light, which can cause discomfort or pain in bright environments. In individuals with visual snow syndrome, photophobia can be triggered by any type of light source, including sunlight, computer screens, and fluorescent lights.
  • Palinopsia: Palinopsia is the persistent perception of afterimages or visual trails. This means that an individual with visual snow syndrome may see an image or object even after it has been removed from their field of vision. Palinopsia can make it difficult to focus on objects or movements, and can also cause disorientation.

Non visual symptoms of visual snow syndrome include: 

  • Ringing, humming, or buzzing sounds (Tinnitus)
  • Feeling detached from yourself (Depersonalization)
  • Symptoms of anxiety and/or depression
  • Frequent migraines, brain fog, and confusion
  • Dizziness and nausea
  • Insomnia and other sleep-related issues
  • Tingling sensations in legs and arms, accompanied by general pain throughout the body

Causes of Visual Snow Syndrome

The exact cause of visual snow syndrome is not yet fully understood, and research on the topic is ongoing. However, there are several factors that may contribute to the development of the condition. Some potential causes of visual snow syndrome include:

  • Abnormalities in the visual cortex: The visual snow and other visual disturbances experienced by people with visual snow syndrome are thought to be caused by abnormalities in the visual cortex, the part of the brain responsible for processing visual information.
  • Migraine headaches: Migraines are a common comorbidity with visual snow syndrome, and research suggests that they may be a contributing factor to the development of the condition.
  • Traumatic brain injury: Individuals who have suffered a traumatic brain injury may be at higher risk for developing visual snow syndrome, possibly due to damage to the visual cortex.
  • Substance use: Certain substances, such as hallucinogenic drugs, have been associated with the development of visual snow syndrome.
  • Autoimmune disorders: Some autoimmune disorders, such as lupus, have been linked to visual disturbances that may resemble those seen in visual snow syndrome.
  • Infections: In some cases, infections such as Lyme disease or Epstein-Barr virus have been associated with the onset of visual snow syndrome.


It is important to note that the causes of visual snow syndrome are still being studied and not yet fully understood. More research is needed to better understand the underlying mechanisms that contribute to the development of the condition.

How a Neuro-Optometrist Can Help Manage Visual Snow Syndrome

Neuro-optometrists can play a significant role in the management and treatment of visual snow syndrome. The main goal of treatment for visual snow syndrome is to alleviate the symptoms and improve quality of life. A neuro-optometrist can help achieve this goal by providing the following treatments:

  • Vision therapy and visual snow - Neuro-optometrists can develop a customized vision therapy program to help retrain the brain to process visual information more efficiently and effectively. Vision therapy exercises may include activities such as eye-tracking exercises, focusing exercises, and visual memory training. These exercises can help improve eye teaming, eye movement control, and visual processing speed, which can reduce symptoms such as visual snow, after-images, and other visual disturbances.
  • Prism lenses - Prism lenses can help reduce the visual disturbances associated with visual snow syndrome, such as double vision or halos around objects. These lenses bend light as it passes through, which can help align the images from each eye and reduce visual confusion.
  • Tinted lenses for visual snow - Tinted lenses can reduce the brightness of visual snow, making it less distracting for the patient. The specific color and density of the tint will depend on the patient's individual symptoms and preferences. Some patients find relief with a light amber or yellow tint, while others prefer a darker blue or green tint.
  • Low vision devices for visual snow syndrome - For patients with significant vision loss, low vision aids such as digital CCTV in handheld or desktop can be used to manage contrast, and even training on how to best use a phone’s features can make a big improvement. While therapies such as perceptual therapy increase functional vision and improve contrast. Often prism and tint lenses are also a great option.
  • Medications - In some cases, medications such as anticonvulsants or antidepressants may be prescribed to help alleviate symptoms. Anticonvulsants such as topiramate or lamotrigine can help reduce the frequency and severity of migraines, which can be a common symptom of visual snow syndrome. Antidepressants such as amitriptyline or venlafaxine can help alleviate anxiety and depression symptoms that may be associated with visual snow syndrome.

In addition to these treatments, our neuro-optometrists may also recommend other lifestyle changes to help manage symptoms, such as reducing caffeine and alcohol consumption, maintaining a regular sleep schedule, reducing high visually demanding tasks, and managing stress levels. It's important to note that there is no one-size-fits-all approach to treating visual snow syndrome, and each patient's treatment plan will be customized to their specific symptoms and needs.

Visual Snow Syndrome: Don't Let it Affect Your Quality of Life - Schedule an Appointment Today

Are you experiencing persistent visual disturbances like seeing static or flickering lights? You might be suffering from visual snow syndrome. Don't let it go undiagnosed and affect your quality of life. Schedule an appointment with our neuro optometrist today to get the help and relief you need. Please call (562) 925-6591 to schedule an neuro optometric exam for visual snow syndrome.

Patients with functional vision issues visit our clinic from all over California, and we are proud to be a leading provider of neuro optometric rehabilitation services for patients from Bellflower, Long Beach, Lakewood, and Los Angeles.


I haven't actually used the optometrist side, so my review is limited to the vision therapy offered.  This office was recommended by my occupational therapist for the treatment of my double vision following a stroke.

Claire A.

Love this location. I had a brain injury accident from day one one. All the team make you feel you still important and hope in the horizon after when the medical system fell you miserably. Dr. Ikeda very professional and very understanding about your issue. Two tombs up.

Jim K.

My husband and I were immediately impressed with Dr Ikeda. I was hit by a car while cycling which caused broken bones and three brain injuries. The brain injuries caused double vision. Dr. Ikeda examined my eyes and got me started on vision therapy with his occupational therapist who specializes in vision therapy.  She (Chris) is absolutely great.  I am impressed with the array of tools used to help recover my binocular vision.  I am doing things I never thought were possible (balance boards etc).  Chris pushes me and keeps me motivated. I really enjoy my sessions with her.  The office staff is always friendly and they have a wonderful appointment reminder tool that makes it easy to keep my calendar up to date. I am happy the rehab center at Little Co. of Mary recommended them!!

Teresa S.

The Vision Therapy is handled in a separate office through a different door from the shared waiting room. Chris, the vision therapist, has a wide and varied assortment of tools, equipment and resources to best evaluate and treat most vision issues. After just a few visits, my double vision became easier to control, using exercises developed during the therapy process. It was time well-spent.

Joe M.

I have been coming here since I can remember. I love it here. The staff is so amazing and nice. They explain everything they gonna do and never make you feel rushed. Dr. Ikeda has always been my doctor and I would never want another one. He is the doctor for my whole family and is always asking how everyone is doing. I am also so crazy about picking out my frames and have to try so many and each person who helps me take the time and lets me try them all on. I would never want to go anywhere else! I definitely would recommend this office to anyone looking for a great eye doctor.

Kayla W.

This is not for the eye exam but for the frames selection portion. I brought my prescription from Kaiser here with my VSP insurance. The reception staff was very polite and professional.  Manny helped me to pick out frames and explain my coverage.  Very helpful and patient not like the individual at the other place I rated here on Yelp.  I was running late and he still helped me and was not bothered at all.  I am so glad I came here ..........very pleased.

Very professional staff and pleasant.

Daniel G.
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