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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
632•klaussilveira•13h ago•187 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
19•theblazehen•2d ago•2 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
930•xnx•18h ago•548 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
34•helloplanets•4d ago•26 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
110•matheusalmeida•1d ago•28 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
43•videotopia•4d ago•1 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
10•kaonwarb•3d ago•10 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
222•isitcontent•13h ago•25 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
213•dmpetrov•13h ago•103 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
323•vecti•15h ago•142 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
372•ostacke•19h ago•94 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
359•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
478•todsacerdoti•21h ago•234 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
275•eljojo•15h ago•164 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
404•lstoll•19h ago•273 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
85•quibono•4d ago•21 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
16•jesperordrup•3h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
245•i5heu•16h ago•189 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
13•bikenaga•3d ago•2 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
53•gfortaine•10h ago•22 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
141•vmatsiiako•18h ago•64 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
281•surprisetalk•3d ago•37 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1060•cdrnsf•22h ago•435 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
133•SerCe•9h ago•118 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
177•limoce•3d ago•96 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
70•phreda4•12h ago•14 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•8h ago•11 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•23 comments
Open in hackernews

Eye drops could replace glasses or surgery for longsightedness, study says

https://www.theguardian.com/society/2025/sep/14/eye-drops-could-replace-glasses-surgery-longsighted-study
96•giuliomagnifico•4mo ago

Comments

sroussey•4mo ago
Is this different from QLOSI?
cianmm•4mo ago
If they invented this for shortsightedness, which I have very slightly, I would pay a huge amount of money (in European medical cost terms) for it.

I mildly dislike wearing glasses but need them or I have a headache within an hour, I can’t overcome my blink reactions to put in contacts (after several hour long sessions with my optometrist) and my shortsightedness isn’t strong enough to convince myself to go for laser eye surgery.

HWR_14•4mo ago
There are new non laser surgeries either in the testing or just released stages. I only know about them because they were on HN in the past 6 months.

Easiest link I found: https://news.ycombinator.com/item?id=44938818

ceejayoz•4mo ago
I suspect the issue is less the "laser" bit than the "eye surgery" bit.
rr808•4mo ago
US has a few look at Vuity - which is for age releated.
alborzb•4mo ago
Vuity is just Pilocarpine -- https://en.wikipedia.org/wiki/Pilocarpine

Not something that is recommended for ordinary bad vision - as it mostly works to treat eye pressure (one particular type of age related vision correction).

nickjj•4mo ago
I've been wearing glasses for short sightedness for my whole life and also don't wear contacts because the idea of putting them in freaks me out.

I always think about it from the point of view of what would happen if I want to do extended travel. Which method minimizes risk around something going wrong.

For example:

If you put your contacts in luggage and that gets lost or stolen now you have a really big problem with your sight in a foreign country.

If you're dependent on drops, it's the same problem as contacts.

In both cases, even if you do things to minimize losing them they have a limited supply. What if you want to travel for a year, are you comfortable getting the same type you have at home sent to you in a foreign country?

If you're dependent on glasses, typically you wear them all the time so the risk is them getting broken somehow which is rare. I've been wearing glasses my whole life and have never once broke or damaged them. The biggest risk is falling asleep with them on and rolling over them so it's critically important to move them off to the side somewhere. That also means being extra careful if you're sleeping on a bus or outdoors, you need to be really mindful of where your glasses are at all times if you're not wearing them.

The downside to glasses is they can prevent you from experiences. Casual swimming is annoying, especially alone where you also want to watch your bag that could be hundreds of feet away. Also practicing martial arts with sparring is a problem. Showering without being able to see clear isn't too bad in practice but it's a daily thing.

Surgery has the highest potential upside since you effectively become "normal" but the surgery has to go well so there's a risk factor to think about now. I only know 3 people who have gotten lasik in the last ~15 years. 1 of them sees massive halos at night time with lights so they can't drive at night. 1 of them has to use eye drops for dryness even 2 years after surgery. 1 of them had it done about 10 years ago and has no negative side effects but the effects of the surgery are slowly wearing off to where they will need another surgery in the next few years since their eyes have changed.

Personally if I knew surgery had a 99.999% side effect free success rate and at worst I would only need to do it every 10-15 years I would do it but I just can't get past the risk factor. Sight is just too important. I look forward to a day where this is a fully solved problem in a non-invasive way.

Until then I compromise with glasses.

terribleperson•4mo ago
The travel risks of contacts are manageable. Always travel with a fresh spare pair, a contacts case (to store the old pair), and a pair of glasses in a hard case. The glasses go in your personal bag, not your luggage.
secondcoming•4mo ago
But then you need to make sure you have access to clean water in order to put in your lenses.
terribleperson•4mo ago
I don't use water to put in lenses. It might be troublesome to clean my hands without clean water, though...
mathgeek•4mo ago
I assumed GP meant for the handwashing part. General advice I've always seen is to wash your hands before touching contacts.
secondcoming•4mo ago
Yes, exactly this.
Telaneo•4mo ago
If the risk management strategy of contacts involves having a pair of glasses on hand, why not jump straight to that (unless you don't like glasses in the first place and only use them if all else fails)?

Then again, my eyesight isn't bad enough for me breaking my glasses on a holiday to be a potential problem. I've never broken any of my pairs before, and even if they were lost, I'm still able to read and get around. It's just more unpleasant to do so. But I still prefer glasses and wear them pretty much at all times.

bjtitus•4mo ago
I've used contacts for about 20 years and I prefer them to glasses doing anything active and generally traveling. I would be very worried about navigating the world without being able to read things 3 feet away with my prescription of -4 so I always travel with a pair of glasses.
dghlsakjg•4mo ago
Before I got LASIK, I wore contacts but travelled with glasses. There are a huger variety of reasons that you might use contacts even if you have your glasses available. In fact, everyone I know with contacts also always has a pair of glasses that goes with them on travels.

In my case I worked onboard tall ships. Contacts let me be on deck in inclement weather without worrying about spray, fog, or losing a pair of glasses, let me use any pair of sunglasses instead of a ~$250+ pair of prescription glasses, as well as things like diving and snorkelling without needing a $150 prescription mask.

jokethrowaway•4mo ago
You can get cheap glasses from China. I found on reddit people swearing by zenottic on aliexpress and got some glasses for 20-30$. Nothing to scream about, plastic but they do the job really well. I already lost one pair in the sea, which would have been bad if I had 200$+ glasses.

I wear contacts in water or if I lose my glasses, but try to use glasses most of the time to let my eyes breathe.

k310•4mo ago
Contacts in water? A friend of mine did that and got sand in them. Really bad. It was a long time ago so I forgot details, i.e. why not just discard them?
Jtsummers•4mo ago
Try having vision worse than 20/200 and getting around without glasses. When I traveled, pre-contacts, I always packed a spare and a repair kit. With contacts, I pack one pair of glasses, a repair kit and spare contacts, its essentially the same prep and experience. Except now I have peripheral vision and can wear whatever sunglasses I have on hand. They also don't fog up like glasses do, which makes the transition in and out of buildings in hot, humid climates where AC is prevalent less annoying.
secondcoming•4mo ago
I wore glasses since I was maybe 10 and then contact lenses for decades.

I got sick of the daily ritual of having to clean my hands, put them in and then take them out at night.

My eyesight was pretty bad with a large prescription and keratoconus on top (that I did have C3R surgery for). I was dismayed when I found out I wasn't eligible for laser surgery so I just accepted that I'd have to deal with the inconvenience of glasses/lenses during the most active years of my life.

Then I found out that you can do Refractive Lens Exchange (same surgery that they do for people with cataracts) and went for that a few years ago. It isn't perfect but - for me at least - it was worth the risk. I do get issues with glares when it's dark but when it's bright there are no side effects. I also had to get a YAG laser treatment about a year later due to some 'clouding' but that not a big deal other than the expense.

When I last went for an eye test I was told I had 20/20 vision in one eye and I didn't believe the optician. I've long forgotten what 20/20 vision is like so maybe it's just overrated.

I can also never get cataracts!

heavyset_go•4mo ago
> I always think about it from the point of view of what would happen if I want to do extended travel. Which method minimizes risk around something going wrong.

This actually happened to me. Spent two months on the other side of the planet. When I landed I realized I didn't pack my contacts. I just wore the same pair the whole time and was fine.

nickjj•4mo ago
Is there a comfort difference between daily contacts and monthly?

When you wore yours for 2 months, what type was it?

heavyset_go•4mo ago
These were dailies. I was either wearing an Acuvue brand or I had already switched to Daysoft, I forget.

I talked to my optometrist and they told me that most contacts are the same material, and bi-weeklies/etc are just slightly thicker for durability.

I was diligent about cleaning them, while at the same time being gentle so I didn't tear them. I was also very cautious about swimming with them, touching them or otherwise doing anything that might promote eye infections. Comfort-wise, they were fine, but it felt like they shrank slightly over time, if that makes sense.

basisword•4mo ago
I had a similar issue with lenses. Those appointments are hell and counter-productive. Firstly, it's a difficult thing to do under pressure. Secondly the more you attempt it the more your eyes get irritated and the more difficult it becomes. Eventually I managed to sort of just shove it in when the optometrist wasn't looking. Then they gave me some to take home and I was able to practice in a less stressful environment and finally got the hang of it. Saying that, if I stop for a while and then go back to them it can take a couple of days to get the reflexes to slow down again. If you can order a pack online without a prescription I'd say it's relatively safe to do that and practice at home provided they've already explained the hygiene basics and you know how to put them in/out, you're just having issues with the blinking.
summarity•4mo ago
EVO ICL. Or even pinned ICL. Just got it recently, would recommend.

LASIK/SMILE/etc were never and are not safe. At least ICL is fully reversible.

Note that is the current version (EVO) I’m referring to, not the older (Visian) which still involved irreversible steps.

Info: https://eyewiki.org/Implantable_Collamer_Lens

Patient info (simpler language): https://www.rcophth.ac.uk/wp-content/uploads/2020/05/Phakic-...

(I paid out of pocket for this and have no affiliation with any clinics)

dghlsakjg•4mo ago
I wouldn't say that cutting a hole in your eyeball and putting a foreign object inside is 'safe'. Perhaps safer than LASIK, but I have a hard time believing any surgeon that would claim there are no risks.
Pooge•4mo ago
> LASIK/SMILE/etc were never and are not safe. At least ICL is fully reversible.

Citation needed.

All people I know and feedback I've heard that took LASIK or LASEK have said that it was a live-changing surgery. I myself underwent LASEK and have nothing bad to say.

I've never heard that it was unsafe. Quite the opposite, actually.

Then again, when I hear feedback from Americans it sounds like a different world. I live in a wealthy and medically-respected European country, though.

lbourdages•4mo ago
Have you looked into orthokeratology?

Basically, contact lenses you wear at night (which could perhaps be tolerable for you). Then, your vision stays fine during the day (mostly, it worsens gradually but it's manageable).

I don't use it myself but I have a relative that does and they love it.

https://en.wikipedia.org/wiki/Orthokeratology

cianmm•4mo ago
The issue is getting the lenses in and out of my eyes. I simply can’t. I tried really hard for about 4 hours with a consultant and I think that I got it in successfully once, and she had to remove it for me while I held my eye open.
atombender•4mo ago
Pilocarpine has been already approved in the US since 2021 under the trade name Vuity (pilocarpine hydrochloride 1.25%), which was discussed on HN [1]. Another version, Qlosi (pilocarpine HC 0.4%), was approved in 2023.

It seems that this formulation differs by adding naproxen, an NSAID. I'm not sure why they believe this is needed.

[1] https://news.ycombinator.com/item?id=29509163

russellbeattie•4mo ago
I'm nearsighted with simple myopia and most of my life I've used contacts for distance vision. I never had any problems reading close up with my contacts in. Then I turned 50, and within a year, I suddenly needed to use either reading glasses with my contacts or bifocal glasses in order to both see long distance and use a computer or my phone.

It wasn't a slow decline. One day my eyes worked like they had for my entire life, and the next my eyes went wonky. Getting older sucks! Without glasses, I can still read books and my phone just fine. I've just lost my "middle vision" of about an arm's length away.

Anyways, all my fifty-something peers are going through the same thing. It's a really inconvenient life change. I imagine something like this would be popular if it were more well known. My optometrist didn't say anything at all about it.

Side note: Laser surgery can only fix one type of vision problem. So if I were to go in to fix my myopia, I'd still have presbyopia (age related hyperopia), or vice versa. There doesn't seem to be a one-size-fits-all surgery for vision.

jonbiggums22•4mo ago
A similar thing happened to me in my mid-40s. I had been fortunate to have "perfect" vision until suddenly I was complaining about the tiny fonts on labels and started struggling doing small wiring tasks. It wasn't a surprise really, my mother had the best vision in my family and she eventually needed reading glasses. But how suddenly it came on surprised me, although maybe I had actually been compensating all along until I couldn't anymore.
8bitsrule•4mo ago
> The drops contain pilocarpine, a drug that constricts the pupils and contracts the muscle that controls the shape of the eye’s lens to enable focus on objects at different distances...

I wonder if using that might be dangerous for people with people with conditions that could lead to macular damage ... (by adding pressure)

subarctic•4mo ago
TIL Brits say long and shortsighted instead of far and nearsighted. In my English "shortsighted" means poor planning
na4ma4•4mo ago
Dollars to doughnuts that "shortsighted" as poor planning would be from the "shortsighted" eye affliction.

since you can only see a short distance ahead.

jokethrowaway•4mo ago
Very nice, albeit I'm still waiting for Ocumetics (for 8+ years) to come up with a permanent solution for both shortsightedness and longsightedness. It's a replacement for your natural lense with an accomodating lens - but it should definitively give you great vision at any distance.

They just started human testing after years of doing and redoing their solution. I assume they're being somehow paid by the industry not to release too early, because even the first iteration had great results and it would have been life changing.

Hopefully this is not another RISUG and we see some innovation reach the market.

master_crab•4mo ago
Retinax 5!!!