this post was submitted on 11 Apr 2025
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[–] [email protected] 35 points 1 day ago (19 children)

Being able to see during ocular saccades. I was surprised to hear in so many videos “your brain blinds you because it would be nauseating”

No it’s not ? It’s just blurry.

Also, apparently some people can’t consciously control the focus distance of their eyes.

[–] [email protected] 10 points 1 day ago (9 children)

That's interesting, for most people the brain just substitutes in the image of where your eye moves to, so it feels instantaneous. (there's no noticeable blindness) But you can see throughout the full movement?

In a similar vein, I never understood having a "dominant eye". I honestly don't really understand the concept, I guess most people's brains will cancel out information from one eye?

[–] [email protected] 5 points 1 day ago* (last edited 20 hours ago) (4 children)
  • Hold out your arm at arm's length
  • Make a circle with your thumb and index finger
  • Look through the circle at an object on the other side of the room
  • Now slowly bring the circle back to your eye, such that your fingers never obscure the object, and it's always centered in the circle

Which eye did your circle arrive at?

!That's your dominant eye!<

Edit: formatting, I'm a Markdown dumbass

[–] [email protected] 1 points 9 minutes ago

I learned something. My nose but also the corner of my left eye seem to be dominant.

[–] [email protected] 1 points 5 hours ago

That's interesting, I can see both circles but my hand does always go to my right eye unless I force myself to look at the other. That makes sense I guess because my right eye is more focused at a distance. I wonder if that switches though when I look at something close up for a while, because my left eye is more focused then.

[–] [email protected] 8 points 1 day ago* (last edited 1 day ago)

TIL that my nose is my dominant eye! (I think I'm not doing something correctly.)

[–] [email protected] 4 points 1 day ago (1 children)

I've heard of this test before, and it makes no sense to me. If I focus on a distant object, I see two images of my hand, one for each eye. So I'd have to choose which one to put over the object.

[–] [email protected] 1 points 10 minutes ago

What? I think most people see them together. Do you have to consciously compare the two images to perceive depth?

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