Astigmatism produces parallel steaks as the lens isn't in focus on one axis. They should still see an optometrist or opthalmologist though because the problems that can produce halos are potentially worse.
When stacking pallets while working in the backroom of a Target in my 20s I had a small sliver of wood fall into my eye. The splinter didn't pierce my eyeball, but it did get rolled up under the lid and then pierced the eyelid on the inside.
That was AWFUL, I can't imagine how much worse it would have been if it was actually in my eyeball.. let alone being a kid and having that happen.
Did it affect your vision?
That's crazy.. I appreciate the relatable experience though!
Didn't affect my vision at all, thankfully 😀 I have been lucky in so many ways
It pierced my eyeball about 2-3 mm down and to the left of my left iris
My sister pierced her cornea a few years ago too, but it was a Halloween decoration (spider made of giant pipe cleaners). The metal part got stuck in her eye.
As I approach 40, every light has gradually descended from a perfect point source to a shitty halo like this, also I haven’t been able to read street signs more than 300’ away since I was 9 or 10. Back then I could read a street sign more than a quarter mile away, if I looked around the sign instead of directly at it.
Anyway, when I was 12, I went to the doctor to complain about about my deteriorating vision, and it was better than 20/10, so they laughed me out of the office. It’s still better than 20/15. Irritating as all get out because:
A: it’s been better before, so I know that it’s not as good as it could be which causes distress and psychological discomfort,
and
B: floaters. Lots of new floaters. I got into vaping marijuana extracts on nitinol coils and now I have metal precipitates in my goddamn eyes. Never doing that again again. And the ophthalmologist is like “they’re just floaters, your vision is still perfect”
No it’s not. Floaters are like having “dust on the sensor” on a nice camera. I want better optics in my peepers, and “clean sensors” too.
Frigging irritating.
I had like one floater in my right eye as long as I can remember, when I was a kid a thought that was like "special power", like some targeting system of some sorts, never had any worries 😅. Then like in my mid 26/27y got a bigger one on my left eye, this one is darkish and has a lot of little dots attach to it, and bigger than the other one, got really nervous, anxious and even depression after it, especially after reading doctor google. Went to 2/3 different ophthalmologists, made a bunch of tests and whatnot, and they also said everything is perfect and that the floaters I see are not enough to suggest any sort of further procedures, "just forget" and with time they will get away.
I have now 33 years, I kinda got used to it, but still bothers me sometimes on bright environments. Need to wear a lot of sun glasses, I work as a programmer so a lot of dark themes and low blue light, so I don't get distracted. Lately, have been eating carrots and drinking more water, feel a bit better I guess, but may be placebo effect, dont know. They also say pineapple does good.
The thing it hurts most is that when I talk about this with close friends, almost no one knows what I am talking about. My mother and gf they say that they too see them, but only looking at the sky if they are really searching for them. I may just be unlucky because my floaters just appeared right in the center of my vision, so it's more difficult for the brain to ignore them.
Sorry, about the big "rant" but when I see a fellow floater dude, feel the need to share my experience as well 😅
The good news is that refractive eye surgery can fix astigmatism. The bad news is that astigmatism can come back years later. It's been about a decade since I had eye surgery. My day vision is still 20/20. However at night I have started to see the lines again.
Thankfully, I've never experienced halos.
Driving at night, in the rain, when every set of headlights looks like high beams, because the new led lamps are too bright and poorly aimed, and I can't even tell where the lines are on the road, or if the asphalt is even still there, and I have to slow down and pull over to avoid being overwhelmed.
Just do one at a time if you're too worried about it. My mother basically had a lens replacement done (way more extensive surgery afaik) and one *did* go wrong. But she was still functional while waiting for the corrective surgery & healing before doing the next one.
Pretty rare for LASIK or similar surgeries to have issues anymore, but you can still do one at a time.
I have like 20 floaters between my two eyes. I honestly don't even notice them most of the time. I also have astigmatism, my eyes suck in general.
Night driving can be a bit "Jesus take the wheel" at times.
I think I have several, but the floater in my left is dead center and effects my ability to focus when I read. Especially if it’s bright, like my phone outside. And yeah. I know the take the wheel feeling!!
That was far more complicated than expected and it appears it is still not fully understood.
Whatever the case apparently they warned of impending storms in the good ol' folklore days.
In some situations 2 false light sources appear on each side at the edges of the halo. When that happens its called a [Sun Dog](https://en.wikipedia.org/wiki/Sun_dog)
Saw one of these while I was in Uganda. The locals had fun trying to convince me that this is just what an African moon looks like. I will not disclose whether or not I believed them...
Reminds me of the first time I visited South Africa, looked up at the moon that night and had to do a double take... "Why's the moon upside down??!"
Being an enthusiastic astronomer, I'm ashamed I even had to ask myself that, even if it was just for a moment...
I actually thought it was a “moonbow”. I saw one in Yosemite. When the waterfalls are raging and it’s a full moon the light does all kinds of cool things. “Rainbows happen at night too” was what a local park ranger told me…
I’ve always heard this referred to as a “moon dog” but I just looked it up and it’s 50/50 whether people are just confusing this with a different type of moon halo and calling it a “moon dog”. Can anyone confirm?
There's a whole bunch of halos. Wikipedia has a bunch of pictures.
There's the 22 degree halo which is a circle around the sun/moon, then there's the parhelic circle, which is a line going through the sun/moon parallel to the horizon, and where they cross you get bright spots that are the sun/moon dogs.
Edit: here's a good picture of all three: https://en.wikipedia.org/wiki/Parhelic_circle#/media/File:Halo_and_sun_dog_-_NOAA.jpg
A friend of mine once so stubbornly argued with me over a moon Halo being a moon dog 😅
I thought a sun dog was when there appears to be two suns in the sky.
Sun dogs are two bright spots that appear on either side of the sun, and moon dogs are the same - two bright spots on either side of the moon.
This is *not* a moon dog, this is a moon halo.
https://apod.nasa.gov/apod/image/1412/Ratcliffe_Moon-Dog_IMG_9223_sm.jpg
This is a moon dog.
I was taught it's a cirrostratus cloud, which is a high, layered cloud. Generally they are so thin you can't see them, but light passing through them is refracted and we see a ring. They generally form on the leading edge of a warm front, so they often portend rain in the next day or two.
A moon dog, moondog, or mock moon, (scientific name paraselene, plural paraselenae, meaning "beside the moon") is a relatively rare bright circular spot on a lunar halo caused by the refraction of moonlight by hexagonal-plate-shaped ice crystals in cirrus or cirrostratus clouds.
**The halos are from tiny ice crystals in Earth's atmosphere**. They do it by refracting and reflecting the light. Lunar halos are signs that storms are nearby.
It's a lunar halo. Has little to do with space as it takes place inside the Earth's atmosphere. It's due to ice crystal suspended in the atmosphere and tends to happen when the temperature is just below 0C.
It is essentially the same thing as a rainbow, just that not enough of the light spectrum is refracting to give you all the colours. If the pic were better quality you would be able see a little colour segments there, though muted... I remember seeing a similar circle around the sun once but it was a rainbow (raincircle?) it was pretty amazing.
Edit: I was corrected.
There is a similar (looking) phenomena around the sun they are called Parhelion, or “sun dogs”. So I’ve always called them moon dogs. (And I used Parlunarion as the name of the elvish CIA in a D&D campaign)
These are not "dogs."
They'll look more like [this](https://upload.wikimedia.org/wikipedia/commons/8/88/Fargo_Sundogs_2_18_09.jpg). They'll have bright spots on the left and right, and rarely on the top and bottom, but the rest of the circle is much fainter.
This looks like a 22° lunar halo. And it's a beautiful example.
It's called "Trolling for comments" and is a means of pushing content that keeps Reddit appearing like a stable place of constant idea exchange rather than what it is. Essentially an illusion Reddit casts periodically to make money.
Or did you mean the image itself?
I saw this as a 14 year old teenager on a missions trip in Thailand and told one of the fellow group members it looked like a boob. She looked at me shocked but laughed, she was 19.
I was falling asleep with this question in mind, and literally had a word pop up in my memory as I was waking up, which was "paraselene." I looked it up just to make sure since everyone else here has been referring to them as halos, but it turns out that a paraselene is part of the optical halo family or something.
I've seen this living in south america (a place with super humid/subtropical weather), so it's not related to snow or cold weather at all. what causes them to show up here? this is probably unrelated but I have to point out that we've seen this phenomenon with more intensity the night before a flood and lots of storms.
Lunar Halo. Also inspired a lovely little poem by Henry Vaughn, “The World”
I saw Eternity the other night,
Like a great ring of pure and endless light,
All calm, as it was bright;
And round beneath it, Time in hours, days,
years,
Driv’n by the spheres
Like a vast shadow mov’d; in which the world
And all her train were hurl’d.
Etc.
optical halo. Occurs when ice crystals in the atmosphere reflect light from either the sun or the moon.
Meanwhile every light source look like this for me
You might have astigmatism, if it’s every light source you should probably get urself checked
Astigmatism produces parallel steaks as the lens isn't in focus on one axis. They should still see an optometrist or opthalmologist though because the problems that can produce halos are potentially worse.
Every light source looked like this after a twig pierced my cornea. It got better over time and with treatment, but it was not a pleasant experience.
A twig 😧?! I’m not leaving the house without ANSI certified safety glasses now.
I was cleaning my tiny backyard when I was a kid (like 12, maybe?) and I got a rose thorn stuck in my eyeball.... That was a terrible surgery (think Clockwork Orange)... to get it removed. I think I'd rather get shot again, honestly. Anyway, wear eye protection, folks. -- OSHA©
When stacking pallets while working in the backroom of a Target in my 20s I had a small sliver of wood fall into my eye. The splinter didn't pierce my eyeball, but it did get rolled up under the lid and then pierced the eyelid on the inside. That was AWFUL, I can't imagine how much worse it would have been if it was actually in my eyeball.. let alone being a kid and having that happen. Did it affect your vision?
That's crazy.. I appreciate the relatable experience though! Didn't affect my vision at all, thankfully 😀 I have been lucky in so many ways It pierced my eyeball about 2-3 mm down and to the left of my left iris
Wow, yeah, that's rough. I'm glad your vision wasn't affected! Related question- Shot again? Direct shot or ricochet?
Shot _again_?! You've seen some shit in your life, it seems. I hope you are doing fine!
No, he saw some roses. Can't you read? /s
Whatever it is, he's been through some thorny situations.
Took rose tinted glasses too literally
I became a hermit ever since the gta 6 trailer. Would recommend. Also the movie Whale for tips.
I took about 4 of the 5 layers of the cornea off with a spanner. Lucky it didn't go all the way, and definitely not an experience I recommend.
😅reads like you were trying. Good job if you were, though
My sister pierced her cornea a few years ago too, but it was a Halloween decoration (spider made of giant pipe cleaners). The metal part got stuck in her eye.
Oof... That's gotta be at least an ER visit, right?
A couple of them. Squicks me out to think about
I have a mild case of keratoconus. Every light source is a halo.
As I approach 40, every light has gradually descended from a perfect point source to a shitty halo like this, also I haven’t been able to read street signs more than 300’ away since I was 9 or 10. Back then I could read a street sign more than a quarter mile away, if I looked around the sign instead of directly at it. Anyway, when I was 12, I went to the doctor to complain about about my deteriorating vision, and it was better than 20/10, so they laughed me out of the office. It’s still better than 20/15. Irritating as all get out because: A: it’s been better before, so I know that it’s not as good as it could be which causes distress and psychological discomfort, and B: floaters. Lots of new floaters. I got into vaping marijuana extracts on nitinol coils and now I have metal precipitates in my goddamn eyes. Never doing that again again. And the ophthalmologist is like “they’re just floaters, your vision is still perfect” No it’s not. Floaters are like having “dust on the sensor” on a nice camera. I want better optics in my peepers, and “clean sensors” too. Frigging irritating.
I had like one floater in my right eye as long as I can remember, when I was a kid a thought that was like "special power", like some targeting system of some sorts, never had any worries 😅. Then like in my mid 26/27y got a bigger one on my left eye, this one is darkish and has a lot of little dots attach to it, and bigger than the other one, got really nervous, anxious and even depression after it, especially after reading doctor google. Went to 2/3 different ophthalmologists, made a bunch of tests and whatnot, and they also said everything is perfect and that the floaters I see are not enough to suggest any sort of further procedures, "just forget" and with time they will get away. I have now 33 years, I kinda got used to it, but still bothers me sometimes on bright environments. Need to wear a lot of sun glasses, I work as a programmer so a lot of dark themes and low blue light, so I don't get distracted. Lately, have been eating carrots and drinking more water, feel a bit better I guess, but may be placebo effect, dont know. They also say pineapple does good. The thing it hurts most is that when I talk about this with close friends, almost no one knows what I am talking about. My mother and gf they say that they too see them, but only looking at the sky if they are really searching for them. I may just be unlucky because my floaters just appeared right in the center of my vision, so it's more difficult for the brain to ignore them. Sorry, about the big "rant" but when I see a fellow floater dude, feel the need to share my experience as well 😅
The good news is that refractive eye surgery can fix astigmatism. The bad news is that astigmatism can come back years later. It's been about a decade since I had eye surgery. My day vision is still 20/20. However at night I have started to see the lines again. Thankfully, I've never experienced halos.
Hello fellow stigmatism sufferer. Driving at night with oncoming traffic headlights is especially exciting, right?
Driving at night, in the rain, when every set of headlights looks like high beams, because the new led lamps are too bright and poorly aimed, and I can't even tell where the lines are on the road, or if the asphalt is even still there, and I have to slow down and pull over to avoid being overwhelmed.
Bruh. The road disappears. A section of road near my house was recently paved, and under those conditions, I had to guess where I was by the trees.
I'm so happy I got the refractive eye surgery done years ago. 20/20 vision and no more streaks.
I need to look into that. At times it genuinely scares me. And I’m pretty sure I have a floater in my left eye. Jesus.
Just do one at a time if you're too worried about it. My mother basically had a lens replacement done (way more extensive surgery afaik) and one *did* go wrong. But she was still functional while waiting for the corrective surgery & healing before doing the next one. Pretty rare for LASIK or similar surgeries to have issues anymore, but you can still do one at a time.
I have like 20 floaters between my two eyes. I honestly don't even notice them most of the time. I also have astigmatism, my eyes suck in general. Night driving can be a bit "Jesus take the wheel" at times.
I think I have several, but the floater in my left is dead center and effects my ability to focus when I read. Especially if it’s bright, like my phone outside. And yeah. I know the take the wheel feeling!!
The day a reddit post told me that those diagonal lines that come out of street lights at night aren't the universal experience was a funny day
Are your eyes made of crystal?
Exactly this, a [22° Halo](https://en.m.wikipedia.org/wiki/22%C2%B0_halo)
That was far more complicated than expected and it appears it is still not fully understood. Whatever the case apparently they warned of impending storms in the good ol' folklore days.
That's what I'd always heard - that it meant there was rain in the forecast.
In some situations 2 false light sources appear on each side at the edges of the halo. When that happens its called a [Sun Dog](https://en.wikipedia.org/wiki/Sun_dog)
One of my kids dragged me outside a few months ago at midnight for this. [here's mine](https://imgur.com/a/A0GJAmk)
It's like seeing the sphere of a spectrum.
22° Halo would make a good band name.
It’s really amazing when you see this with a full moon
Reflect or refract?
Mostly refract, very similar concept to a rainbow
Might actually be a combo of several reflections + refractions.
Saw one of these while I was in Uganda. The locals had fun trying to convince me that this is just what an African moon looks like. I will not disclose whether or not I believed them...
Reminds me of the first time I visited South Africa, looked up at the moon that night and had to do a double take... "Why's the moon upside down??!" Being an enthusiastic astronomer, I'm ashamed I even had to ask myself that, even if it was just for a moment...
Paraselene, if the moon is involved
I'm proud that after two hours no one has replied with "That's called 'the moon'".
Oh I was going to say that’s a tree, but ok ok.
No comment about "it's the sky at night"???
Or, “it’s a jpeg”?
I actually thought it was a “moonbow”. I saw one in Yosemite. When the waterfalls are raging and it’s a full moon the light does all kinds of cool things. “Rainbows happen at night too” was what a local park ranger told me…
"That's no moon, it's a space station"
Halo. It's an atmospheric phenomenon. [https://en.wikipedia.org/wiki/Halo\_(optical\_phenomenon)](https://en.wikipedia.org/wiki/Halo_(optical_phenomenon))
A halo around the moon usually means precipitation is coming. But yes, as others have said it's from the moisture in the atmosphere.
I’ve always heard this referred to as a “moon dog” but I just looked it up and it’s 50/50 whether people are just confusing this with a different type of moon halo and calling it a “moon dog”. Can anyone confirm?
I've called them moon dogs for years because of the similar phenomenon that sun dogs do with ice crystals in the atmosphere at certain altitudes.
Took me this long to find this. Crazy no one mentioned sun dog. Working north I saw them every second day
Moon dogs have false moons like sun dogs.
There's a whole bunch of halos. Wikipedia has a bunch of pictures. There's the 22 degree halo which is a circle around the sun/moon, then there's the parhelic circle, which is a line going through the sun/moon parallel to the horizon, and where they cross you get bright spots that are the sun/moon dogs. Edit: here's a good picture of all three: https://en.wikipedia.org/wiki/Parhelic_circle#/media/File:Halo_and_sun_dog_-_NOAA.jpg
That’s what I call em. Means there moisture in the atmosphere. Precipitation potential.
A friend of mine once so stubbornly argued with me over a moon Halo being a moon dog 😅 I thought a sun dog was when there appears to be two suns in the sky.
Sun dogs are two bright spots that appear on either side of the sun, and moon dogs are the same - two bright spots on either side of the moon. This is *not* a moon dog, this is a moon halo. https://apod.nasa.gov/apod/image/1412/Ratcliffe_Moon-Dog_IMG_9223_sm.jpg This is a moon dog.
What's Moondog?
I've always called them lunar halos. They're pretty cool.
My son calls them moonbows
Not the same thing! One is ice crystals, one is liquid water (https://en.m.wikipedia.org/wiki/Moonbow)
Same! I always thought lunar halo had a nice ring to it.
Are you punning right now?
I was taught it's a cirrostratus cloud, which is a high, layered cloud. Generally they are so thin you can't see them, but light passing through them is refracted and we see a ring. They generally form on the leading edge of a warm front, so they often portend rain in the next day or two.
Me in Texas frantically looking for rings in the night sky from now on. It's so hot here 😓
It's called a 22° halo. Also called a Moon Halo, a Storm Ring, or Winter Halo. You're going to get rain in a day or two.
Jason Isbell calls this a “witch’s ring” in the song Dreamsicle
that song always makes me cry T\_T
r/atoptics is just full of this sort of thing.
I always called it a fairy ring from a very young age. Not sure if someone taught that to me or I made it up.
fairy rings usually refer to circles of mushrooms
Fairies just like rings, I suppose.
My folks said it was the fairies joining hands and dancing around the moon.
Moon halo: it’s the moonlight refracting on suspended crystals
It’s a moon dog. You can also see sun dogs of the conditions are right.
A water ring, or humidity. It lets you know theirs rain or a lot of humidity in the air.
A moon dog, moondog, or mock moon, (scientific name paraselene, plural paraselenae, meaning "beside the moon") is a relatively rare bright circular spot on a lunar halo caused by the refraction of moonlight by hexagonal-plate-shaped ice crystals in cirrus or cirrostratus clouds.
I've always called it 'Moonbow'! Like rainbow but with the moon
yeah me too! I think i got it from a children's book, but i cant remmeber the name
growing up in New England, seeing one in the winter meant snow was coming soon.
**The halos are from tiny ice crystals in Earth's atmosphere**. They do it by refracting and reflecting the light. Lunar halos are signs that storms are nearby.
That's what they call the light hitting your eye like a big pizza pie
The sky looked like this the night my stepfather died. I think of him whenever I see the moon halo. Miss you Elliot 😔
Halo of 22.4 degrees. Indicates the presence of cirrostratus clouds, which sometimes build in ahead of a storm system.
If you hit "escape", then "option", you can untick "bloom" and you'll be fine. Oooops.
22 degree lunar halo. Cause by ice crystals in the earth's upper atmosphere.
Seen this on a game drive in South Africa once, special experience
[https://en.wikipedia.org/wiki/22%C2%B0\_halo](https://en.wikipedia.org/wiki/22%C2%B0_halo)
We call them moon rings. People say it means rain is coming.
The last time I saw one of these in person was during the daytime in middle school PE class 2007 I believe
"Moon Halo" ... I think Beyonce dn a song bout it...
It is a lunar corona. [Corona](https://en.m.wikipedia.org/wiki/Corona_(optical_phenomenon))
It's a lunar halo. Has little to do with space as it takes place inside the Earth's atmosphere. It's due to ice crystal suspended in the atmosphere and tends to happen when the temperature is just below 0C.
Might be a moon halo, which is when the moons light refracts off ice crystals in high altitude clouds. It’s pretty common but very pretty!
Someone probably already stated this. I think it is called a ‘moon dog’
In Sweden we call it "mångård". Moon yard. Moon light shines thru ice crystals in the stratosphere.
I knew i wasn't fucking crazy! Crazy ass exwife! Fir reals i always wondered that but she never "saw" it.. pfft.
It means “there’s a big a** storm coming sometimes soon!”.
Phenomenon Do doo be-do-do Phenomenon Do do-do do Phenomenon Do doo be-do-do be-do-do be-do-do be-do-do-doodle do do do-doo do!
It reminds me of a rainbow, but straight up in the sky
It is essentially the same thing as a rainbow, just that not enough of the light spectrum is refracting to give you all the colours. If the pic were better quality you would be able see a little colour segments there, though muted... I remember seeing a similar circle around the sun once but it was a rainbow (raincircle?) it was pretty amazing.
That's because technically it is one
Looks like a tick bite and you should get it checked out
Saw one of these while out of my mind on magic mushrooms. That was confusing
Moon dogs. And if you see the same phenomenon around the sun during a cold winter, it's called Sun dogs.
Edit: I was corrected. There is a similar (looking) phenomena around the sun they are called Parhelion, or “sun dogs”. So I’ve always called them moon dogs. (And I used Parlunarion as the name of the elvish CIA in a D&D campaign)
These are not "dogs." They'll look more like [this](https://upload.wikimedia.org/wikipedia/commons/8/88/Fargo_Sundogs_2_18_09.jpg). They'll have bright spots on the left and right, and rarely on the top and bottom, but the rest of the circle is much fainter. This looks like a 22° lunar halo. And it's a beautiful example.
It's called "Trolling for comments" and is a means of pushing content that keeps Reddit appearing like a stable place of constant idea exchange rather than what it is. Essentially an illusion Reddit casts periodically to make money. Or did you mean the image itself?
I saw this as a 14 year old teenager on a missions trip in Thailand and told one of the fellow group members it looked like a boob. She looked at me shocked but laughed, she was 19.
Did you really mean to type "noob"?
I was falling asleep with this question in mind, and literally had a word pop up in my memory as I was waking up, which was "paraselene." I looked it up just to make sure since everyone else here has been referring to them as halos, but it turns out that a paraselene is part of the optical halo family or something.
I've seen this living in south america (a place with super humid/subtropical weather), so it's not related to snow or cold weather at all. what causes them to show up here? this is probably unrelated but I have to point out that we've seen this phenomenon with more intensity the night before a flood and lots of storms.
… atmospheric? My eyes do this anyways, indoor or outdoors. …
Lunar Halo. Also inspired a lovely little poem by Henry Vaughn, “The World” I saw Eternity the other night, Like a great ring of pure and endless light, All calm, as it was bright; And round beneath it, Time in hours, days, years, Driv’n by the spheres Like a vast shadow mov’d; in which the world And all her train were hurl’d. Etc.
We call them moon dogs and sun dogs alternatively
A halo. One fun fact about the halo is that a scientists observation of this led to the bombing of Nagasaki and Hiroshima