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I think I can explain in a CSS way how my glasses can optically change the position of reddish items on a monitor...
`position: relative;`
`left: -5px;`
That's it. It happens when looking sideways at my monitor.
For example, the reddit icon is a red circle with a white alien face in it. Looking at it through my glasses from a very left angle, I can see the white face jumping out of the circle on the right side.
It'll go out the other way when looking at it from a very right angle. (It'll then be `left: 5px;` instead)
It's just sometimes annoying when I'm designing stuff. :P
#CSS #OpticalIllusion
@trinsec it sounds like you're experiencing chromatic aberration. Near the edges of your lenses the front and back surfaces aren't parallel, so the lenses act like prisms around the rim, separating colours of light. Shorter (bluer) wavelengths get moved further to the centre of the lens (for nearsighted wearers at least).
It took me a long time to get used to that as my prescription increased.