this post was submitted on 21 Jan 2024
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Science Memes

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105
polycoria (mander.xyz)
submitted 11 months ago by [email protected] to c/[email protected]
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[–] [email protected] 38 points 11 months ago (3 children)

I don't get it. How is this a meme? It's like a screenshot of a wiki page.

[–] [email protected] 13 points 11 months ago

Lost lemmings

[–] [email protected] 3 points 11 months ago

I am also confused...

[–] [email protected] 24 points 11 months ago (1 children)

Do both pupils work? How does it effect vision?

[–] Xanthrax 14 points 11 months ago* (last edited 11 months ago)

It depends. They both contract, but if the second pupil is small, it doesn't matter. I have a small one, and it just causes uveitis every once in a while. I went half my life without even noticing it.

You can become sensitive to light, and the irritation can slowly cause blindness. That's pretty much it

One fun thing: if you ever get uveitis, wearing an eye patch won't work. Your eye will still try to dilate with your other eye. Also your pupil/s will stretch like in the pictures.

[–] [email protected] 20 points 11 months ago

Thanks I hate it

[–] [email protected] 12 points 11 months ago* (last edited 11 months ago) (1 children)

On a road trip through Ontario one year we met a couple of teenagers at a country gas station near Ottawa with pupils in the shape of a cat ... a vertical almond shape. I freaked out when I saw the girl first and jumped back. She was used to the reaction and said she just looked like that and it wasn't a trick. She then said her brother had the same thing and he came to see us.

This was about 25 years ago before novelty contact lenses were around ... they may have been around but I had never heard of them at the time.

It's a weird thing to see just these tiny differences to the human anatomy .... it immediately makes you think that something is wrong or not right. It makes you realize just how easily prejudices are born.

The two people were really nice small town people and we had a good conversation and we even left them a tip before we never saw them again.

Then again that is the special thing about differences though .... I've seen so many 'normal looking" people in my life and none of them stand out, but I can still picture these two and I'll never forget them.

[–] Cort 4 points 11 months ago

Fwiw, 25 yrs ago was 1999, and I remember seeing these for sale at my eye doctor even before that. These kids may have been fucking with you...

[–] [email protected] 9 points 11 months ago

I am mildly uncomfortable looking at this...

[–] [email protected] 8 points 11 months ago (1 children)

My ex had one eye like that, she claimed it let her see in the dark

[–] [email protected] 7 points 11 months ago (1 children)

Maybe somewhat... It would let more light in, but it wouldn't be focused correctly.

[–] [email protected] -1 points 11 months ago (2 children)

Her optometrist would disagree with you

[–] [email protected] 6 points 11 months ago* (last edited 11 months ago)

https://en.m.wikipedia.org/wiki/Polycoria

It results in decreased function of the iris and pupil, affecting the physical eye and visualization.

When the iris becomes deformed, it will disarrange the control of light coming in leading to blurred vision and finding it hard to visually focus.

From what I'm finding it either has no effect or bad effects but never good effects like better night vision so you just got lied to or they said that as a joke and you didn't get it.

[–] flyboy_146 4 points 11 months ago (1 children)

As in... She had a normal vision?

[–] [email protected] 3 points 11 months ago

Yes

[–] [email protected] 8 points 11 months ago (1 children)

was this supposed to be loss? it doesn't look like loss

[–] [email protected] 1 points 11 months ago (1 children)

Missed opportunity!

[–] tdawg 3 points 11 months ago (2 children)

loss-ed opportunity...

[–] [email protected] 2 points 11 months ago

It would make its actual meme, instead of just an image of something interesting.

[–] LucasWaffyWaf 3 points 11 months ago

"Do you read Sutter Cane?"

[–] [email protected] 3 points 11 months ago (2 children)

Are images from mander.xyz broken for anyone else?

[–] [email protected] 3 points 11 months ago* (last edited 11 months ago)

Yes, sorry. It is a problem that started over the weekend. I thought I had patched it by doubling the server's RAM and adding a core, but that was not enough. Some process is causing the RAM use to spike and the image backend is crashing because of that.

[–] [email protected] 3 points 11 months ago* (last edited 11 months ago) (1 children)

@[email protected] Another whack-a-mole.

[–] [email protected] 5 points 11 months ago* (last edited 11 months ago) (1 children)

Thanks. I noticed and reset the server a few minutes ago.

Something has been off recently. The CPU is spiking and the RAM gets used up, which crashes the pict-rs container. The pict-rs won't reconnect until I reset the lemmy Docker container.

I doubled the RAM and added one core, but that was not enough to stop this problem, which means that whatever is causing these spikes is unconstrained. I need to look more deeply into Docker memory management to see if I can limit RAM usage such that the crash can be avoided while remaining functional.

[–] [email protected] 2 points 11 months ago (1 children)

Goodluck, comrade.

[–] [email protected] 5 points 11 months ago

Thanks. I have looked into it a bit more and I think that it is the postgres database grabbing all the memory it can. I have set a hard limit for the postgres container. Hopefully this resolves the problem!

[–] 1050053 2 points 11 months ago (1 children)

Annoying Tool fan comments incoming...

[–] [email protected] 1 points 11 months ago

Haha, I don't think my ex is cool enough to show up here.

[–] iAvicenna 1 points 11 months ago

a.k.a devil spawn

[–] cashews_best_nut 1 points 11 months ago

Alien possession.