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.
Also your immune system will attack your eyes if it knows they’re there. Eyes are weird.
Well that’s just terrifying
Here’s how fucked up it is imagine the only difference between having eyes and not having eyes is one tiny small area that if it breaks at any moment the immune system can “find” your eyes which is why eye damage needs to be treated right away. One tiny barrier keeps your eyes from being identified and if that breaks your worst nightmare.
It’s like the brain. There’s a tiny barrier that keeps the immune system out of it, and it breaking down is thought to be the cause of a few major brain conditions.
What is this tiny barrier called and where is it?
There’s multiple but the one I’m talking about is corneal epithelium. https://biologyinsights.com/immune-system-eyes-mechanisms-of-ocular-protection/
Edit:it can trigger an immune response
What? Why would the immune system attack the eyes?
That’s also why certain contact lenses can’t be worn overnight or for long periods of time because they aren’t as breathable. At least that’s what my eye doctor said when I got them.
That’s correct. It’s generally recommended for lenses to have at least over 100 Dk/t for sleep and they need to be approved for that. Dk/t is the measured oxygen transmission through the lens material, the higher, the better. I would not recommend lenses with Dk/t of 30 and under even for daily wear as they starve eyes of oxygen. Especially since there are very affordable ones with very high Dk/t like Miru and Biofinity (around 160 iirc).
Quit using up all the oxygen.
It’s mine, I saw it first!
heavy breathing
So like … Swim goggles will suffocate my eyes? 😦
Eventually, yeah. I had an issue with contacts when I was younger as I have to wear thick toric lenses, which allow very little oxygen through. I would wear them way too long, and I was warned that continuing to do so could cause eventually cause blindness
So what you’re saying is, my eyes are also lungs?
More like a giant alveolus. But inside out. With a giant sphincter in the middle. That poops light.
Boy, after getting a notification with this reply I had a hell of a time trying to figure out what I could have possibly said to spur it
Be careful the questions you throw into the void.
Fun fact: your intestines are also lungs. Or maybe more accurately, lungs evolved from intestines. It turns out, you can oxygenate people by sticking an oxygen supply up their ass. Which is a possible treatment for people who have suffered respiratory failure.
Proof that I’m not just blowing hot air up your butt, except maybe I am: https://www.science.org/content/article/mammals-can-breathe-through-their-intestines
Wtf is going on with this timeline? First we have chess masters using their anus’s to cheat. Then sticking a finger in your butt can fix abnormal heart rythms. And now we’re going to find out that numerous of our top athletes all cheat by wearing butt plugs that release oxygen into their bowles.
Wait till you hear about how fecal transplants can make you braver
Page not found
Made a change to the link, let me know if that works for you.
Works, thanks!
Makes some sense. If it can absorb nutrients, it can probably absorb gases too.
i came, i saw, i absorbed oxygen directly from the air
They don’t need oxygen when I’m sleeping?
It is the only part of the body without a blood supply. Instead, it receives nutrients via aqueous humor (the liquid between the cornea and vitreous).
Instead, oxygen dissolves in tears and then diffuses throughout the cornea to keep it healthy.[5] Similarly, nutrients are transported via diffusion from the tear fluid through the outside surface and the aqueous humour through the inside surface.
And because that seemed lacking still and I’m too dumb to figure it out ChatGPT’s response:
The palpebral conjunctival blood vessels and the capillaries of the eyelids supply oxygen to the tear film behind closed lids. Oxygen diffuses from these vessels into the cornea.
My brother sleeps with his eyes party open. He must be eye oxygenmaxxing. Superior eyeballs.
Meanwhile I still can’t breathe through my arsehole
skill issue
Surely the oxygen and carbon dioxide also diffuse through the aqueus humor and surrounding sclera.
Wait, so what are the bliod vein things in the eyes if not supplying the eyes
They supply the rest of the eye. It’s just the transparent bit on front that doesn’t get much of anything.
how come when I don’t blink it hurts and my eyes get red?
It means you’re stoned af and forgot to blink
your eyes need to be both moist and oxygenated, the former usually requires blinking
Have you ever tried to breathe in a moving car?
Too much air is bad for you, dingus.
With the windows down.ok man relax, didn’t mean to offend you. just asking…
Sorry, my pet fish wrote that. He is an extreme, anti-air radical terrorist.
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What about buttholes?
They do have blood, as any ER doc could tell you.
However, they can also breathe in a manner of speaking. Enough that it’s proposed as a possible method to keep someone alive if their lungs don’t work.
I honestly did not expect this answer.
… dare I click on this link at work?
They’re just full of shit.
That’s crazy
