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stereoblindness is bad when you're an athlete in a ball game, good when you're a photographer
This is interesting, how does stereo blindness help with photography?
Stereoblind people already see the world the way a camera does.
I am not sure how non-stereoblind people see in 3D because I've been stereoblind my whole life, but I do think it helps me when taking photos.
Stereo vision isn't very different. Human pupils are only 5-6cm apart, so the effect is only useful for objects less than 20-30 meters away, maybe 50 tops. It only works in the center of our visual field, not in the periphery (that only one eye can see). And then, only on the horizontal, left-right axis. Beyond that, we do depth perception the same way: mostly through experience, parallax, context clues, motion prediction, atmospheric distortion, and the like. It doesn't change the imagery at all, it's the same scene if I close one eye. I'm guessing that most people who woke up in a familiar environment (e.g. their bedroom) without stereo vision would take a while to notice.