alt Hacker NewsAs someone who wears corrective lenses for astigmatism, I can guarantee that what you perceive as a straight line, assuming you are human, is not, until your brain corrects it and signals 'straight line' to you.
It takes a day or so for your brain to get used to any consistent distortion and totally disregard it.
This is just pointless complaining... A bigger complaint with curved screens is: crazy reflections.
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Did it ever happen to you, that you are not dealing with humans and therefore you noted this assumption?
As someone who wears corrective lenses for astigmatism, I can guarantee that what you perceive as a straight line, assuming you are human, is not, until your brain corrects it and signals 'straight line' to you.
That is unrelated to astigmatism. In Art 101 class in college we explored this phenomenon. It's caused by the spherical nature of the human eyeball.
The exercise was to sit on the floor in the corner of a particular campus building that had a lot of long architectural lines and draw what you see without looking at the paper. If you drew straight lines, the prof knew you were thinking about drawing, and not just drawing what you saw.
I had this experience back when the glass on CRTs was curved and monitors started shipping with knobs to adjust the curvature of the image. I had used a curved-glass CRT (curved the opposite way of today's curved monitors) for so long that nothing looked quite right after that until LCDs came into the picture (pun intended).