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Visual Snow Simulator

Do you experience visual snow?

  • Yes

    Votes: 13 76.5%

  • No

    Votes: 1 5.9%

  • What's that?

    Votes: 3 17.6%

  • Only sometimes (headache, stress, low blood sugar, low blood pressure, etc)

    Votes: 0 0.0%
  • Total voters
    17
If you mean things in eyes I see things float around and when I close my eyes I see red
But my eyes are probably just adjusting to the light. I so have floaters and black floaters I notice

I thought you were talking about Christmas and visual simulations of snow, last Christmas I put fake snow everywhere but it gets messy and bad for the environment but I bet a white Christmas is really nice.
 
lovely_darlingprettybaby said:
If you mean things in eyes I see things float around and when I close my eyes I see red
But my eyes are probably just adjusting to the light. I so have floaters and black floaters I notice

I thought you were talking about Christmas and visual simulations of snow, last Christmas I put fake snow everywhere but it gets messy and bad for the environment but I bet a white Christmas is really nice.
Click to expand...
F1.medium.gif

It sometimes can have speckles and flashes of light in addition to the "grainy" or "pixelated" visual field. It is there with the eyes closed. It is there while dreaming.

For those that are born with it, it appears to be a corticothalamic dysrhythmia, they can pick it up on ECGs of the brain. It can also be associated with tinnitus, as the visual and auditory processing centers are located next to each other. Within the context of autism, this is most likely due to aberrant neuronal migrational patterns when our brains were developing.
 
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Neonatal RRT said:
View attachment 115626
It sometimes can have speckles and flashes of light in addition to the "grainy" or "pixelated" visual field. It is there with the eyes closed. It is there while dreaming.

For those that are born with it, it appears to be a corticothalamic dysrhythmia, they can pick it up on ECGs of the brain. It can also be associated with tinnitus, as the visual and auditory processing centers are located next to each other. Within the context of autism, this is most likely due to aberrant neuronal migrational patterns when our brains were developing.
Click to expand...
Ok cool, I do not have that that I know of. I just see things normally but do experience syntheisa
I can visualize things and smell things in music and visualize books.
 
I have always had visual snow syndrome, but until just a few years ago, I thought it was normal and everyone had it the same. It was quite a shock to learn that it was not "normal" and most people do not have it.

I have also had "floaters" since forever. I can't remember ever not having them. I remember sitting and watching them float around, trying to follow them.
 
Neonatal RRT said:
View attachment 115626
It sometimes can have speckles and flashes of light in addition to the "grainy" or "pixelated" visual field. It is there with the eyes closed. It is there while dreaming.

For those that are born with it, it appears to be a corticothalamic dysrhythmia, they can pick it up on ECGs of the brain. It can also be associated with tinnitus, as the visual and auditory processing centers are located next to each other. Within the context of autism, this is most likely due to aberrant neuronal migrational patterns when our brains were developing.
Click to expand...
Interesting! Since learning that visual snow syndrome is a thing, I always considered it visual tinnitus - which I also have.
 
I don't really know, because I don't know if what I experience is normal. I do get a kind of graininess, but it doesn't impair my vision.
 
Progster said:
I don't really know, because I don't know if what I experience is normal. I do get a kind of graininess, but it doesn't impair my vision.
Click to expand...
No, it doesn't impair your vision, per se, in the sense that it makes things blurry or out of focus. The ability to focus is within the lens of the eye. The visual field associated with Visual Snow Syndrome is caused by abnormal visual processing. Simultaneous 18F-FDG PET/MR metabolic and structural changes in visual snow syndrome and diagnostic use
 
I have a mild form of this symptom. It goes almost entirely away in bright outdoor lighting but can get fairly thick in near total darkness. I do not think it connects to my autism at all because I was several years old before it started. I think it was a delayed reaction to a minor head injury.
 
I have experienced this for many years now. I never had a word for it. I always called it "grainy", like light static on TV over the show.
 
I remember having this as early as being a young teenager and it has been persistent to the current day. It seems more noticeable in darkness, but is generally there all of the time in my visual field.
 
I experience mild visual snow too. It scared me when it first started. Is this a symptom of autism? I thought it started because of my head getting hit really hard on the corner of a cabinet when I was a child. I sure didn't start out life with it. I've been taking bilberry for some time now and I think it is helping some.
 
I guess I’ve never paid attention. I’ve had black snow before but that was due to carbon monoxide poisoning that almost killed me. What I do get sometimes is like I’m watching a film with a slow shutter speed.

I’ve had eye floaters since I was 22. Even a part that looked like a torn retina. I told the eye doctor about it, and he laughed and said “you’re just getting old” and wouldn’t even look at it. Time for a different eye doctor. This guy is very thorough and I’ve been going to him for the last 25 years.
 
FayetheAspie said:
I experience mild visual snow too. It scared me when it first started. Is this a symptom of autism? I thought it started because of my head getting hit really hard on the corner of a cabinet when I was a child. I sure didn't start out life with it. I've been taking bilberry for some time now and I think it is helping some.
Click to expand...
Visual Snow Syndrome (Static Vision)

Visual Snow Syndrome and Autism: Exploring the Potential Connection

Visual snow: A thalamocortical dysrhythmia of the visual pathway? - PubMed

From the second article above:

"The Potential Link Between Visual Snow Syndrome and Autism
As research into Visual Snow Syndrome progresses, intriguing connections to other neurological conditions, including autism spectrum disorder (ASD), have begun to emerge. While the relationship between VSS and autism is not yet fully understood, several overlapping features and shared neurological patterns have been observed.
freestar

One significant area of overlap between VSS and autism is in sensory processing issues. Many individuals with autism experience visual defensiveness symptoms, which can manifest as hypersensitivity to light, difficulty processing visual information, or unusual visual perceptions. These symptoms bear striking similarities to some of the visual disturbances reported by individuals with Visual Snow Syndrome.

Studies have also suggested a higher prevalence of visual snow symptoms among individuals with autism compared to the general population. While more research is needed to confirm this association, it raises interesting questions about the potential shared neurological mechanisms underlying both conditions.

One theory that attempts to explain the link between VSS and autism focuses on the concept of sensory gating. Sensory gating refers to the brain’s ability to filter out irrelevant sensory information. Both individuals with VSS and those with autism often report difficulties in filtering sensory input, which could potentially be attributed to similar underlying neurological patterns.

Another intriguing connection between VSS and autism lies in the realm of visual processing. Research has shown that individuals with autism often exhibit atypical patterns of visual attention and perception. For example, side glancing in autism is a common behavior that may be related to differences in peripheral vision processing. Similarly, individuals with VSS report persistent visual disturbances that affect their overall visual perception.


It’s important to note that while these connections are fascinating, they do not imply a causal relationship between Visual Snow Syndrome and autism. Rather, they suggest that there may be shared neurological mechanisms or risk factors that contribute to both conditions."
 
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