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A comment on Why we're blind to the color blue. Parent comment

Re:Why we're blind to the color blue by georgeburdell on Saturday July 17, 2021 @01:56AM (#27863808)
Astigmatism is easy to self-detect, and it's quite different from the light focusing to the wrong plane. Astigmatism will noticeably warp the entire shape of the distant point object, rather than just make it "fuzzy" in an isotropic manner.
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Re:Why we're blind to the color blue by jbluepolarbear on Saturday July 17, 2021 @02:01AM (#27863831)
Source? Astigmatism can blur and distort.

https://patient.info/eye-care/astigmatism

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Re:Why we're blind to the color blue by stOneskull on Saturday July 17, 2021 @05:29AM (#27864613)
for me, it's mainly the difference in looking up and down compared to looking left and right.
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