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Stacyasks@lemmy.cafe to No Stupid Questions@lemmy.worldEnglish · 4 months ago

Is it normal to see this static when you close your eyes?

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Is it normal to see this static when you close your eyes?

upload.wikimedia.org

Stacyasks@lemmy.cafe to No Stupid Questions@lemmy.worldEnglish · 4 months ago
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https://upload.wikimedia.org/wikipedia/commons/c/c0/Red-blue-noise.gif

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  • Dæmon S.@calckey.world
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    4 months ago

    @[email protected] @[email protected]

    Yes. It’s called “Eigengrau” and it happens due to the adaptation of the eye amidst the darkness.

    https://en.wikipedia.org/wiki/Eigengrau

    • MajorMajormajormajor@lemmy.ca
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      4 months ago

      The indistinguishability of dark events from photon responses supports this explanation because rhodopsin is at the input of the transduction chain. On the other hand, processes such as the spontaneous release of neurotransmitters cannot be completely ruled out.

    • sbird@sopuli.xyz
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      4 months ago

      So it’s like when a camera doesn’t have enough light to properly take a photo, producing a lot of grain. Like when you have a high ISO when taking a photo/video in a dark room, it looks very grainy. I guess the eye is still adjusting its “exposure” if you see some of this graininess in the dark (or when you close your eyes?)

      • 14th_cylon@lemmy.zip
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        4 months ago

        the brain is always trying to find pattern in incomplete data. one of the explanations i have seen is that when our ancestors were sitting around the fire, those who saw the tiger or something lurking in the dark had better chance to pass their genes than those who didn’t.

        it is why we are seeing patterns in clouds and random geometrical shapes on walls and stuff like that.

        https://en.wikipedia.org/wiki/Apophenia

    • ImminentOrbit@lemmy.world
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      4 months ago

      This is what the night sky starts to look like when I try to look at stars

  • Arancello@aussie.zone
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    4 months ago

    how did you take this photo? Small camera through your ear?

    • 🇰 🌀 🇱 🇦 🇳 🇦 🇰 🇮 @pawb.social
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      4 months ago

      They just closed their eyes and then pressed in their ear and anus to take a screenshot.

      • Send Pics of Sandwiches@sh.itjust.works
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        4 months ago

        Wow that’s so much easier! I’ve always had to pee and fart at the same time

        • MrLLM@ani.social
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          4 months ago

          Idk what piss poor model you guys are, but for me is sneeze & fart, much easier imo.

        • [object Object]@lemmy.world
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          4 months ago

          “Peeing without a fart is like having sex without an orgasm.”

          • CovfefeKills@lemmy.world
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            4 months ago

            Said no one goto the doctor

      • MajorasTerribleFate@lemmy.zip
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        4 months ago

  • Dale@lemmy.world
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    4 months ago

    This is a normal closed eye hallucination level 1 on this Wikipedia page

    https://en.wikipedia.org/wiki/Closed-eye_hallucination

    • nondescripthandle@lemmy.dbzer0.com
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      4 months ago

      Oh shit that’s why I can like make shapes and shit when I’m like in deep relaxation

      • deranger@sh.itjust.works
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        4 months ago

        Ever try one of those float tanks? They’re really good for that.

    • DaTingGoBrrr@lemmy.world
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      4 months ago

      They also mention it on the wiki page but I could see fractals and different patterns when I closed my eyes while on shrooms.

  • NigelFrobisher@aussie.zone
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    4 months ago

    I see a little “DVD” logo zipping around that changes colour when it bounces off the periphery of my vision.

    • monkeyslikebananas2@lemmy.world
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      4 months ago

      I saw it hit the corner perfectly once!

    • quick_snail@feddit.nl
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      4 months ago

      This, but there’s paddles on either end that hit the logo back and forth.

      And I never seem to win

  • ameancow@lemmy.world
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    deleted by creator

    • Venus_Ziegenfalle@feddit.org
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      4 months ago

      If you really wanna blow your mind and prove it

      You can also see them by holding a (not too bright) flashlight against your cheekbone and pointing the beam at your eye. The light needs to come from right below and you might need to move it around a little until you get the angle just right.

    • MinnesotaGoddam@lemmy.world
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      4 months ago

      that’s what that is? cool.

    • madjo@feddit.nl
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      4 months ago

      For that edit you now have to breath manually!

      • ameancow@lemmy.world
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        deleted by creator

        • madjo@feddit.nl
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          4 months ago

          You’re a mean cow!

    • FosterMolasses@leminal.space
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      4 months ago

      Oooo, cool!

  • AnUnusualRelic@lemmy.world
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    4 months ago

    Probably just your tuner that’s unplugged. Feel around for any loose wires.

    • madjo@feddit.nl
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      4 months ago

      Or “upgrade” to digital, the downside to that is that you either have vision or no vision at all if reception is kinda weak.

  • rustydrd@sh.itjust.works
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    4 months ago

    This is just the result of neurons firing and chemical reactions taking place, and it’s normal. Personally, for me it depends on my state of mind when I try to sleep. When agitated, I see noise like in your picture. When calm, I see flat, colorful shapes with soft edges that float around and change shape more or less rapidly (kind of like a lava lamp).

    • Cyrus Draegur@lemmy.zip
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      Ohhh yeahhhh the lava lamp like ones are cool. Sometimes vague impressions of cyan and red, sometimes propagating in waves. I’m so glad other people are describing it!

      • rustydrd@sh.itjust.works
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        4 months ago

        I also find them really helpful for falling asleep. Sometimes when I feel stressed and see mostly noise, I’ll try to spot the color shapes and focus on them. It’s kind of meditative and helps me fall asleep faster.

    • Zetta@mander.xyz
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      Mine can vary wildly depending on what kind and the quantity of psychoactive substance I’ve taken.

    • RampantParanoia2365@lemmy.world
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      4 months ago

      Vision floaties? Me too.

  • ssillyssadass@lemmy.world
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    4 months ago

    I think it’s called visual snow, and it’s normal.

    • justastranger@sh.itjust.works
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      4 months ago

      Seconding this. It’s not incredibly common but it’s not incredibly uncommon. Research shows that most people who have it don’t notice it until it’s pointed out. Drugs and stress tend to exacerbate the effect as well.

    • LwL@lemmy.world
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      Visual snow is when you see it with eyes open afaik. But yea, still not terribly abnormal on its own. Visual snow syndrome is a thing though, but it’s more than just seeing an abnormal amount of visual snow (the normal amount seems to be when looking at unicolored surfaces and in dim light).

    • quick_snail@feddit.nl
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      Just don’t snowcrash

  • DarkAri@lemmy.blahaj.zoneBanned
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    You have too much gain.

    But yeah it’s normal.

  • cley_faye@lemmy.world
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    4 months ago

    Better than seeing weird letters and 80 style colored geometric shape sliding around.

    • deus@lemmy.world
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      Here’s an artist’s impression of what that might look like.

    • hungryphrog@lemmy.blahaj.zone
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      I only get patterns (usually floral-ish) if I press my eyes a little. You guys are getting them for free?!

  • rumba@lemmy.zip
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    I see pulsing waves of color, even in pitch black rooms. When I was little they were bright as fireworks, now, depending on the night they’re either just vaguely waves of purple, grey, and blue or sometimes electric blue and white.

    • QuantumTickle@lemmy.zip
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      I was recently reading about this because I discovered there’s a name for it: https://en.wikipedia.org/wiki/Prisoner’s_cinema

      • rumba@lemmy.zip
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        4 months ago

        crazy!

        What I see is very close to this:

        https://www.youtube.com/watch?v=LL3kVtc-4vY

        • snailboy@leminal.space
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          Oh yeah, those things, I get them too sometimes. I always thought they looked like one of those super old Mac screensavers. (I can’t find a picture, but maybe someone here knows the one I mean.)

        • voodooattack@lemmy.world
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          Why did I know it was a NileRed video from the tiny thumbnail? 🤔

          • rumba@lemmy.zip
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            LOL, that’s his whole schtick for nile blue :)

            The first time I saw the reaction, I was shocked it’s so close to my closed eye hallucinations

  • Mouselemming@sh.itjust.works
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    Yes, and if you GENTLY press on your eyelids you can make other colors happen.

    Also if you stare at a clear sky, NOT AT THE SUN, or at a bluish wall, you may see little swirly things, it’s the white blood cells in your retinas swimming around.

    (Blue field entoptic phenomenon - Wikipedia https://share.google/MveakONY2KB3QXUUh)

  • BanMe@lemmy.world
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    Purple, green, pinks and oranges (that’s the blood in my eyelids I think). If I rub my eyes, the pixellated screensavers get wild, which I think means you’re not supposed to do that.

  • 87Six@lemmy.zip
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    Bro is a CRT

  • WideEyedStupid@lemmy.world
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    I always assumed everyone saw it. I’m not special after all.

    Though mine is gray, definitely not purple.

    • mental_block@lemmy.wtf
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      That gray is unique to individual. And if course has its German term. Similar to the other links floating about in this thread.

      https://en.wikipedia.org/wiki/Eigengrau

      • WideEyedStupid@lemmy.world
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        Ha, of course it does! Germans have a word for everything.

    • Tollana1234567@lemmy.today
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      i had it intensely when i also developed other neurological issues like peripheral neuropaty, and palinopsia(afterimage)although symptom was temporary. now its more of a background if i concentrate hard enough i see snow. i had also had pretty bad RLS for several weeks.

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