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I have. Back in early days of Oculus, I was using one of the development kits (DK2?, maybe DK1) and making something in Unity. The Oculus had one screen, with

I have. Back in early days of Oculus, I was using one of the development kits (DK2?, maybe DK1) and making something in Unity. The Oculus had one screen, with lenses over the left and right halves. To give depth perception, it renders a view for each eye, and shows them in a vertical split screen. Some script had a bug, and none of that happened; Instead it simply stretched a normal view across both screens. I put the headset on, and quickly noticed things weren't working right. I was walking around, trying to figure out what the issue was. Trying walking back any forth looking at a wall in front of me, I felt terrible pain. Something about the left and right eyes seeing movement in different directions across their entire field of view really breaks the brain. It was very sharp and localized too. The brain's perception system is weird.

enchiridion 5y ago
Whoa that's interesting! Glad you're alright. Where was the pain?
- ecpottinger 5y ago
  For me it was in the back of the neck.
jshmrsn 5y ago
I’m not an expert on the topic, so just asking: Is it possible you had a minor seizure?
scotty79 5y ago
I had weird experience with valve index. I somehow miscalibrated it and the floor wasn't level. I spent maybe 20 seconds in VR with skewed floor and it felt horribly wrong. And the whole evening my sense of ballance and perception was broken not to be the point of falling over but the real world around me felt wrong. Only after I slept my brain fixed itself.
- TeMPOraL 5y ago
  I had a similar early experience with Oculus Quest. I downloaded a "ISS tour" game, where you played as an astronaut, and had the full freedom of movement microgravity affords you. The "advanced mode" of the game allowed you to move around by grabbing handles or pushing off things. This kind of unconstrained motion is notoriously hard on VR players, and I felt a bit uneasy the whole time when I was navigating this way, but then I made a mistake. I wanted to rotate myself, so I instinctively grabbed two handles and made a sideways hand motion, sending myself into a fast spin. I almost puked, and even after taking the VR headset off, I kept feeling nauseous for the rest of the day. Like in your case, my brain fixed itself when I fell asleep, and I woke up feeling fine.
jugg1es 5y ago
My bachelor's degree is in neurobiology and it would have been very interesting if this was reproducible in other people. Experiencing physical pain from visual stimuli (stimuli unrelated to light intensity, at least) is not something I've ever really heard of. You may have discovered the visual equivalent to the Brown Note.
- ecpottinger 5y ago
  I know in the past I felt pain while trying to say certain lies. I do not mean I felt uncomfortable, I mean I felt real pain. It is weird, but sometimes you can cause pain without a direct physical cause.
  - hutzlibu 5y ago
    "It is weird, but sometimes you can cause pain without a direct physical cause." Since the brain and the body are wired up pretty closely - this is not so weird at all.

enchiridion 5y ago

Whoa that's interesting! Glad you're alright. Where was the pain?

ecpottinger 5y ago
For me it was in the back of the neck.

jshmrsn 5y ago

I’m not an expert on the topic, so just asking: Is it possible you had a minor seizure?

scotty79 5y ago

I had weird experience with valve index. I somehow miscalibrated it and the floor wasn't level. I spent maybe 20 seconds in VR with skewed floor and it felt horribly wrong. And the whole evening my sense of ballance and perception was broken not to be the point of falling over but the real world around me felt wrong. Only after I slept my brain fixed itself.

TeMPOraL 5y ago
I had a similar early experience with Oculus Quest. I downloaded a "ISS tour" game, where you played as an astronaut, and had the full freedom of movement microgravity affords you. The "advanced mode" of the game allowed you to move around by grabbing handles or pushing off things. This kind of unconstrained motion is notoriously hard on VR players, and I felt a bit uneasy the whole time when I was navigating this way, but then I made a mistake. I wanted to rotate myself, so I instinctively grabbed two handles and made a sideways hand motion, sending myself into a fast spin. I almost puked, and even after taking the VR headset off, I kept feeling nauseous for the rest of the day. Like in your case, my brain fixed itself when I fell asleep, and I woke up feeling fine.

jugg1es 5y ago

My bachelor's degree is in neurobiology and it would have been very interesting if this was reproducible in other people. Experiencing physical pain from visual stimuli (stimuli unrelated to light intensity, at least) is not something I've ever really heard of. You may have discovered the visual equivalent to the Brown Note.

ecpottinger 5y ago
I know in the past I felt pain while trying to say certain lies. I do not mean I felt uncomfortable, I mean I felt real pain. It is weird, but sometimes you can cause pain without a direct physical cause.
- hutzlibu 5y ago
  "It is weird, but sometimes you can cause pain without a direct physical cause." Since the brain and the body are wired up pretty closely - this is not so weird at all.