84camaroguy t1_j52jdqv wrote
Reply to comment by budgie0507 in Ancient humans and their early depictions of the universe: “It is no exaggeration to say that astronomy has existed as an exact science for more than five millennia,” writes the late science historian John North. by clayt6
Even with glasses some peoples vision is terrible. My wife kept complaining she couldn’t see the things I would point out. I took her out to the beach in the middle of nowhere and pointed out Cassiopeia and drew the main stars in the sand and had her fill in the stars around it by descending brightness. That was the day I learned that even with corrected vision, some peoples eyes just aren’t that good.
kmcclry t1_j53vr4p wrote
It can also be light sensitivity.
I have, apparently, insanely good dark vision compared to my wife. If there is slight moonlight, or light pollution on a cloudy night I can make out pretty much everything in our house just with ambient light from outside while she can barely see what's 4 to 5 feet away. When I go to the eye doctor they don't have to dilate my pupils because they get so large in the dark they don't have to.
It's possible your pupils get much larger and take in more light than your wife's. She might see with the same clarity, 20/20, but not get enough light to see dim things. I wouldn't say that makes her eyesight "bad" if that's the case. She might be better equipped to deal with bright scenes instead.
Telvin3d t1_j53zw0r wrote
Males and females tend to have different rod and cone distribution in their eyes. On average guys have better night vision and peripheral vision. Women tend to have better color differentiation.
84camaroguy t1_j555tof wrote
What you’ve mentioned is part of it, but we’ve done comparisons in bright sunlight through a magnified optic with similar results. She just does t resolve the detail that I do. Like the comment under yours though, she can differentiate more colours than I can.
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