Optical Illusions

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A community for sharing and discussing cool optical illusions.

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3D illusion (infosec.pub)

submitted 9 months ago* (last edited 9 months ago) by fievel@lemm.ee to c/opticalillusions@feddit.nl

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While this is just a static 2d image, it looks like blue is above the screen (for me, for some others it's below, or red is above).

Thanks to comments, here some explanations https://en.wikipedia.org/wiki/Chromostereopsis

Edited: added Wikipedia link

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[–] usualsuspect191@lemmy.ca 2 points 9 months ago (2 children)

I've noticed this effect on business signs so I don't think that's the cause. Blue specifically seems affected, and you can notice a parallax difference too even when they're the same distance. I assumed it had to do with my glasses bending the light differently or something.

[–] milicent_bystandr@lemm.ee 2 points 9 months ago

I've definitely seen it when the colours are in focus/sharpness the same, e.g. with red words on my phone screen standing out in front of the rest.

[–] milicent_bystandr@lemm.ee 2 points 9 months ago* (last edited 9 months ago)

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

Found courtesy of another comment

Edit: oh and now I see OP also already got the link