Orange and blue edges around objects

micouy.github.io

2 pointsmicouay4 comments

When I look at something metallic pink (like an old ipod) or intense pink (like some flowers), I see a darker indigo halo around part of the edge. Pretty much exactly as you illustrate, but only affecting that one colour.

I just figured it was something related to astigmatism. It never occurred to me there might be a name for it.

"Theoretical considerations of the feasibility of correcting chromatic aberration were debated in the 18th century following Newton's statement that such a correction was impossible"

- from following the rabbit hole to https://en.wikipedia.org/wiki/Achromatic_lens

Eventually scientists stopped using the word "impossible."

Interesting. Do you also see it with your glasses off?

No, and for the same reason shown on the web page. Without a sharp edge, any "halo" is obscured in all the blur. So it probably does, but there isn't really a way for me to differentiate it.

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