I often forget about glass. Like, large glass walls in buildings, windows, etc. I have to constantly remind myself to close the curtains in my bedroom before getting undressed, for example. It's just an odd concept: a perfectly soundproofed thing that light can still pass through. If I don't think carefully, I'm likely to think I have complete privacy when I really don't.

I didn't realize how superficial people are until I went blind.
They're mostly talking about things they see and judging others. I lost many friends because I cannot contribute to that "oh look that guy over there is so ugly" talk.
Also, I was never aware of how people stare at me shamelessly the whole time until my friends told me.
I know of blind people who didn't get the concept of a building until they were teenagers... Like if you walk up the stairs, the second floor is built right above the first floor and resembles its shape.
I have met a blind guy who didn't know you don't eat candles. He thought "oh they are on the dining table so they must be something to eat" because obviously the concept of decoration has never been explained to him.
I knew a guy who would during an exam put his whole super thick braille folder under his shirt and say he had to go to the toilet. The teacher had to break to him carefully that other people could see that and he was mortified.

I’m partially sighted.
I didn’t realize people could see the craters of the moon with the naked eye until a year or two ago. I thought movies just over exaggerated it. I now use my monocular during a full moon to see the beautiful details.

Sorry you had that experience on askreddit.

I am partially sighted so I don't think I can really answer your question. However I do appreciate your interest.

To answer as best as I can, I am profoundly short sighted (one aspect of having congenital cone dystrophy). Recently I got a strong pair of binoculars. I took them outside and watched the sun set. I don't see colour, but boy was that thing beautiful regardless. It was mind blowing knowing that sighted people get to see such a thing on the regular. Makes me wonder how many beautiful sights are out there that are largely taken for granted.

I've noticed most sighted people are oblivious to our plight at best and openly hostile at worst. Like, hey how about Telegram? I've been downvoted before for bringing up the fact that it's incompatible with screen readers.

Anyway for me the thing that blew my mind was the fact that people with eyes could see people in other cars. I could see the cars and I could get a glimpse of the person inside on a very bright day if the windows weren't tinted, but sighted people would be all like "look at that asshole, she's driving and texting" or "Woah, what's that dude in the passenger seat doing?" and I was entirely dumbfounded at how they were doing that.

I'm only visually impaired, so I can't give you a good answer either.

In my opinion many sighted people feel that colored lights isn't a thing you should have in your home. Save that for the clubs.

Why can't I enjoy having flashing neon lights in my house if I really want to? The three philips hue lights I currently have are my favorite grown up toy to play with. :)

Can't wait to get some more, when I have my own apartment.

I'm partly sighted, and it blows my mind that sighted people can read road signs. Like you just fly past this sign, and you can read it in half a second???

Well, the "sighted people being dicks" bucket is never empty. They rarely think about how to do things before asking. They can't SEE a solution, therefore one must not exist. This happens regularly, at the grocery store, at school, at work, etc. All day, every day, they stare and assume based upon what they see and don't bother asking questions because what they SEE must be it, right?

If I had a dollar for every time I had to explain how I use my smartphone, I could buy a better smart phone 😂

The different innovations that sighted people assume are available for the visually impaired is always fascinating! Someone told me they assumed my white cane was connected to my smart phone and would vibrate when I arrived at my destination.

My wife is completely blind so I have a few examples from her.

* As mentioned by other transparency is a big one. No one really thinks about it too much so of course no one explained the concept to her.

* Clapping was a surprising one. No one really thinks about how you clap. You see others and you copy them. Her parents explaination of clapping was basically "slap your hands together". It makes for slightly painful and awkward looking applause.

* Farts. Slightly embarrassing but she'll lift a butt cheek to let out a fart and was completely certain that the slight movement would be unnoticeable. To everyone else its an exaggerated motion that you do when your joking or something.

* Lights. My wife was pretty surprised to discover that when the lights are off I can't see her facial expression. When I explained further how difficult it can be to move around and do stuff in the dark she made the comment that eyes are useless and was quite chuffed that she could do a lot more than me in the dark.

* Direction and Sight line. Specifically... I can't see something if I don't turn my head and look at it. Also a funny situation that resulted in the comment from me "Can you please move I can't see the TV".

* Opposite to what another person said, my wife was shocked when I told her that everyone can see ***in to*** the car.

And that's about all I can think of right now but I'm sure there are many more. There are just so many thing that sighted people just do, for lack of a better term, without thinking about it. And we learn it through observation. Even things as simple as how to walk and move in various ways. We don't think about it, we just see it and copy it. But if my wife wants to learn anything like that it has to be explained in detail and in various ways.

For some of my younger clients, it is how far away sighted people can see. During one of my summer camps, I spotted a kid playing GTA on his Playstation Portable. As I started coming over to tell him to put it away, he ducked it under his shirt. When I told him to put it away and not play that game specifically (because of the killing hookers aspect of it with significantly younger kids around), he was shocked I Was able to identify the game at that distance (it was only about 50 feet).

I'm partially sighted with no color vision. It blew my mind when I found out jalapeños are green. I always assumed they were red.

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How far normal people can see lol

If your post had been more popular you would've gotten a lot more helpful feedback.

A lot of the time it's things like opacity, reflections, translucent/transparency, etc.

Not blind just VI. It's also nearly impossible for a person that is completely blind to visualize what color looks like (from what I understand). Makes sense. I'm not sure how I would describe "red" other than, "it's red".

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I think there's another post similar to yours somewhere... Or maybe it was asking people with hearing impairments actually, you might still find it interesting though!