this post was submitted on 28 Apr 2026
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Science Memes

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[–] NABDad@lemmy.world 19 points 2 hours ago (3 children)

Story time.

My wife is an optometrist.

One day a patient called the office because he had foreign body in his eye. No big deal. They had equipment for removing a foreign body from the eye safely. The patient asked how much the exam was. They told him (I think it was around $70) and he said he'd think about it.

He called up a little while later and said he got it out. He asked if he still needed to come in, and they explained that he still should have his eye checked to make sure it wasn't injured.

When he got there, my wife asked him how he got it out.

He said he used the edge of a razor blade to pick it out of his eye. He said he does it all the time.

If the thought of putting the edge of a razor blade against your eye is not horrifying enough, remember that when you're working on your own eye, you don't have depth perception.

[–] rekabis@lemmy.ca 3 points 44 minutes ago

remember that when you're working on your own eye, you don't have depth perception.

Every year or five I’ll get a “sclera blister” that feels like a honking grain of sand in my eye. Sure, I’ve thought about taking a pair of tweezers to tear the dome of that blister off, but I have always been squicked like crazy because I can’t properly judge distances that close to the cornea. Corner of my eye or on the rim of the eye lid itself is difficult enough, but anywhere directly on the sclera that’s close to the cornea is definitely no-go land for me.

[–] HertzDentalBar@lemmy.blahaj.zone 2 points 48 minutes ago (1 children)

"all the time" excuse me... I perform surgery on my self all the time but I can't even put eye drops in without my eyes locking down the second the drop falls from the bottle.

[–] NABDad@lemmy.world 1 points 44 minutes ago

Eye drop tip:

Pull your lower eyelid down to create a little pocket and put the drop in your eyelid.

What the actual fuck 😱

[–] rekabis@lemmy.ca 4 points 1 hour ago* (last edited 40 minutes ago) (2 children)

Maybe I’ve been too far up the other long tail of the intelligence bell curve for far too long, but doesn’t “boiled” - the past participle of “to boil” indicate that this should be water in a post-boiled state? As in, water that is no longer even warm, much less hot?

I am struggling to understand how anyone can think that pouring boiling or even still-hot water into their eyes is anything within even ICBM range of “a good idea”.

[–] erev@lemmy.world 4 points 48 minutes ago

"my doctor told me to put boiling water in my eye! if im not gonna listen to him why am I paying him?"

[–] dwemthy@lemmy.world 1 points 21 minutes ago

Have you seen what people do while driving? Do you think they are paying more or less attention to some doctor talking at them than they are operating a large deadly machine?

[–] generaldenmark@programming.dev 42 points 3 hours ago* (last edited 3 hours ago) (4 children)

Seeing this post made me physically cringe. I am "The Public."

In my late 20s, my ear started hurting. I was utterly convinced it was just a stubborn clump of earwax. I went to the pharmacy and bought one of those bulb syringes for rinsing ears. The pharmacist calmly and explicitly instructed me: "Make sure you only use lukewarm water." I went home, washed my ear canal, and nothing happened. I figured I'd just give it a few days to loosen up.

Over the next couple of days, the pain escalated to an excruciating level. I'm talking find-chair, put-my-head-in-my-lap kinda pain. And as my son had just been born, I was operating on a good mix of extreme pain and severe sleep deprivation.

Eventually, i came to the conclusion that hotter water = more wax melting, and if lukewarm water didn't work, maybe it just needs more heat. The hotter the water, the better chance it has of melting the wax, right? So, I boiled some water. And with zero hesitation, I injected boiling hot water directly into my ear canal.

It was not earwax.

I ended up at the doctor, where I learned that the initial agony was actually a severe case of otitis media (a middle ear infection). And thanks to my brilliant home remedy, I had managed to add a scorched ear canal and a secondary outer ear infection right on top of it.

So yeah. When that optometrist said, "Look at me. I want you to understand that I mean water that has been boiled and has since cooled down," he was talking to me. I am the guy.

[–] rekabis@lemmy.ca 2 points 50 minutes ago

my ear started hurting. I was utterly convinced it was just a stubborn clump of earwax.

I am lucky enough to be one of those people who simply never builds up any serious amounts of ear wax. It’s oily and not crumbly, so a gentle swish of a Q-tip after a shower and it all comes out. my doc checks my ears twice a year and has never had cause to complain.

But IIRC ear wax is soft enough to never be particularly painful unless you pack it down with something like a Q-tip. Like, so long as you know you have one of those ear wax types for whom Q-tips in any usage capacity is a bad idea (it’s usually the crumbly ear wax), the most it will do is accumulate until your hearing is affected.

Now granted, it’ll plug up the ear canal until you have trouble hearing things. But all you need then is some professional irrigation by a doctor a few times a year, and as long as you aren’t in a third-world country like America, that should be 100% free.

[–] helpImTrappedOnline@lemmy.world 3 points 1 hour ago (1 children)

Those bulb syringes can be a nightmare too, read that the cause of someone's problem was mold growing the bulb and getting sent straight into the ear.

Gross and terrifying. If you can't see what's inside, don't trust it's clean.

On the bright side, your boiling water probably did a good job of disinfecting it.

[–] Buddahriffic@lemmy.world 1 points 50 minutes ago

I've got one of those bulbs but it comes apart so you can see and clean the inside. It's also transparent so you can see inside it even if you decide to be lazy.

[–] NannerBanner@literature.cafe 7 points 2 hours ago

Ear infections definitely are some of the worst pain I've experienced. I would put them up there with really bad burns.

[–] NocturnalMorning@lemmy.world 8 points 2 hours ago

Sleep deprivation will make you do some crazy things

[–] frostysauce@lemmy.world 8 points 2 hours ago (1 children)

I figure in the last four billion years or so all water has been previously boiled...

[–] rekabis@lemmy.ca 1 points 1 hour ago

Atoms cannot be easily created or destroyed.

However molecules can and often are easily assembled.

Water is one of those molecules which are easy to create, and easy to break back apart into its constituent atoms. So yes, there is likely plenty of water that has never been boiled because it was created so recently (cosmologically speaking).

[–] amateurcrastinator@lemmy.world 125 points 6 hours ago (3 children)

I rented a small boat in Greece and the guy in the harbor showed me a map of the islands I could go to and there was a red line marking how far you were allowed to go. The guy put his hand on my shoulder and very seriously explained that the red like was not visible on the surface of the sea it was just for reference on the map. And told me about this British couple who got on the boat and drove straight on until the fuel ran out. They were lucky they still had phone signal and they called for the guy to come get them. When asked why they did that they said they couldn't see the red line so they thought it was ok...

[–] Whelks_chance@lemmy.world 46 points 4 hours ago (2 children)

It's incredible that humanity has done this well

[–] dejected_warp_core@lemmy.world 3 points 1 hour ago* (last edited 1 hour ago) (1 children)

Consider the mere fact that Doctors exist, and have been a thing for thousands of years. I think this tells us that for every person that is incapable of keeping themselves alive, there's at least a hundred more just like that, and just one person smart enough to keep them all going.

[–] Buddahriffic@lemmy.world 2 points 41 minutes ago

I mean, there was a good chunk of that time where the doctors thought that bleeding someone to balance their humors was a valid treatment for a variety of things. Some things were treated with amputation with only alcohol as an anesthetic (and disinfectant, if they happened to splash some on the wound).

[–] amateurcrastinator@lemmy.world 10 points 4 hours ago

I think about that guy very often lately...

[–] rockerface@lemmy.cafe 12 points 3 hours ago

The world could use some yellow paint

[–] NocturnalMorning@lemmy.world 2 points 2 hours ago (1 children)

The Darwin award ladies and gentlemen

[–] foo@feddit.uk 5 points 2 hours ago

Definitely contenders, but they'd need to have killed themselves and/or their offspring in the process to win the prize (or caused their own infertility before having kids, but those are really rare).

[–] NottaLottaOcelot@lemmy.ca 61 points 6 hours ago (4 children)

I am a dentist and any oddly specific instructions I give are usually because some turd has tried it before:

“Clean your nightguard by running it under warm water. This means a few seconds under the warm water from your tap - do not boil your nightguard in a pot for half an hour, it will be destroyed”

“Do not place a tiny crab fork in your extraction site to remove food debris”

“If you require an adjustment, please return. Your garage power tools are not safe to use on your teeth”

[–] rekabis@lemmy.ca 2 points 42 minutes ago

“Do not place a tiny crab fork in your extraction site to remove food debris”

I JUST PUT THE BRAIN BLEACH BACK INTO LONG-TERM STORAGE, FFS.

[–] NocturnalMorning@lemmy.world 5 points 2 hours ago

That last one, dear god...

[–] colourlessidea@sopuli.xyz 24 points 5 hours ago (5 children)

Your garage power tools are not safe to use on your teeth

Bob Mortimer has entered the chat

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[–] mrgoosmoos@lemmy.ca 5 points 4 hours ago (2 children)

see, the problem with that last statement is that it's too broad. I can think of a few tools that are definitely safe to use on my teeth, therefore what else are you wrong about?

[–] Cavemanfreak@programming.dev 1 points 45 minutes ago

Now I'm intrigued! What power tools do you have that could be deemed safe?

[–] smh@slrpnk.net 11 points 3 hours ago (1 children)

Jokes on them, I don't even own a garage. My power tools live in the craft room and the utility closet.

[–] mrgoosmoos@lemmy.ca 3 points 3 hours ago

exactly! too vague and too specific!

I wasn't told anything about my indoor power tools, or my unpowered tools!

[–] AbsolutelyNotAVelociraptor@piefed.social 83 points 6 hours ago (1 children)

Every warning up there is in place because someone tried to do exactly what the warning tells you not to.

[–] smeg@feddit.uk 13 points 3 hours ago

"Rules are written in blood"

[–] djdarren@piefed.social 27 points 5 hours ago (1 children)
[–] Track_Shovel@slrpnk.net 2 points 2 hours ago

damnit, you beat me to it.

[–] NigelFrobisher@aussie.zone 6 points 4 hours ago (1 children)
[–] reallykindasorta@slrpnk.net 1 points 1 hour ago

My first thought as well

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