Quote:
Originally Posted by Kiwi
To check this out, one clear, starry night I decided to try to create a standard "sunlit" scene I could stare at with my right eye, while keeping the left eye in darkness, then go outside and look at the stars with one pupil wide open and the other stopped down.
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Minor nitpick: You can have one eye adapted to darkness and the other eye to a bright scene. Your pupils however do both constrict if you're healthy.