this post was submitted on 25 Aug 2025
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Science Memes

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[โ€“] nialv7@lemmy.world 171 points 5 days ago* (last edited 5 days ago) (1 children)

~~no no no,~~ they also gets oxygen supply from the back of your eyelids (and also oxygen dissolved in you tears). otherwise you'd have to keep your eyes open when you sleep.

edit: to correct inaccurate statements.

[โ€“] cute_noker@feddit.dk 7 points 4 days ago (1 children)

So that's why we're not supported to open our eyes under water. Our eyeballs are suffocating!

[โ€“] Schmoo@slrpnk.net 3 points 3 days ago (1 children)

If our eyes can absorb oxygen from tears then they can certainly do so when submerged provided the water is sufficiently oxygenated.

[โ€“] cute_noker@feddit.dk 2 points 2 days ago

The body is crazy. But I reckon they could survive for a while without air anyways, right?