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Started By
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re: People with really bad vision: Do you ever think how lucky you are?
Posted on 1/19/15 at 11:57 pm to SwaggerCopter
Posted on 1/19/15 at 11:57 pm to SwaggerCopter
How about people that caught the flu?
0
Posted on 1/19/15 at 11:59 pm to rockchlkjayhku11
quote:
I have good eyesight so I just don't understand how someone can't read that sign, or can't distinguish those small objects from each other or whatever it is.
Next time you're in a drugstore, go pick up some high powered reading glasses of the shelf (+3.50 is about the highest you'll find). You won't be able to see a thing at distance through them, and that's half the amount of nearsightedness the OP is describing he has.
Posted on 1/20/15 at 12:01 am to SwaggerCopter
quote:
I'm -6.00 and -7.00.
-7.00 and -8.00 here.
Posted on 1/20/15 at 12:03 am to medtiger
So what does that mean? Those glasses have the opposite effect on me that they have on someone who needs them? I seriously admit that I am clueless in this area.
I have put on friends glasses before just like everyone has and things get blurry but I don't get why. When someone who needs +3.5 puts them on, it brings them back up to 0 or something? This is legitimately the first I have ever heard about these numbers.
I have put on friends glasses before just like everyone has and things get blurry but I don't get why. When someone who needs +3.5 puts them on, it brings them back up to 0 or something? This is legitimately the first I have ever heard about these numbers.
This post was edited on 1/20/15 at 12:04 am
Posted on 1/20/15 at 12:07 am to rockchlkjayhku11
Those glasses are for correcting farsightedness (happens with age). They're reading glasses. But the way they bend the light, you won't be able to see things at a distance.
This is what it looks like when a nearsighted person holds their glasses out and looks through them.
This is what it looks like when a nearsighted person holds their glasses out and looks through them.
Posted on 1/20/15 at 12:18 am to rockchlkjayhku11
The normal person is plano, or like you said, at 0. Nearsighted people need minus lenses to see clearly, farsighted people need plus lenses. If you're someone who is already plano, and you look through a +3.5 lens, it has the effect of making your prescription -3.5, i.e., to correct your vision, you'd now need -3.5 diopters of power to get you back to plano.
The numbers are just what we use to measure the power of a lens. A diopter is a measure of the focal length of a lens.
The numbers are just what we use to measure the power of a lens. A diopter is a measure of the focal length of a lens.
Posted on 1/20/15 at 12:30 am to rockchlkjayhku11
quote:
This is gonna sound weird, but I don't really get how someone has bad vision.
Like I think it's a thing you have to experience. I have good eyesight so I just don't understand how someone can't read that sign, or can't distinguish those small objects from each other or whatever it is.
Think about how a camera has to focus when you attempt to take a picture. You focus the light depending on the distance of the object being photographed. If the light taken in by the camera lens isn't properly focused, parts of the image appear blurry.
It's pretty much the exact same for eyeballs. The eyeball has some sort of defect which prevents light from being focused properly inside the eyeball. So everything looks out of focus and blurry.
Posted on 1/20/15 at 12:44 am to Spankum
quote:
is sleeping in your contacts what causes that?...
It's one cause, and it's probably among the most common of them. There are others.
quote:
she went from basically no symptoms to blindness in something like two days...
I mentioned pseudomonas specifically because it's as rapid as you speak. You can progress to total blindness in under 48 hours. I've heard as rapidly as 24 in some cases. Good contact hygiene, which goes a little bit beyond not sleeping in them, though that's a major part of it, is crucial in their prevention. Most people don't take particularly good care of their eyes/contacts and wind up pretty much fine. These things are rare. But they're pretty freaking serious. and rapid.
Posted on 1/20/15 at 1:27 am to SwaggerCopter
Oh man. I've been thinking about this all the time now that I'm pretty much 20/20 after LASIK (where beforehand, I was off the scale: -6.50 diopters for both eyes, couldn't even read the letter chart at all).
I couldn't see past 3 inches from my nose. I'd have a mini-crisis if I knocked my glasses off my nightstand and couldn't find them.
Guess I would've had to go "Chinese" if I never had glasses? (Only way to see without glasses was to pull the side of your eye to make it narrower...!)
I couldn't see past 3 inches from my nose. I'd have a mini-crisis if I knocked my glasses off my nightstand and couldn't find them.
Guess I would've had to go "Chinese" if I never had glasses? (Only way to see without glasses was to pull the side of your eye to make it narrower...!)
Posted on 1/20/15 at 1:28 am to Hopeful Doc
quote:
Most people don't take particularly good care of their eyes/contacts and wind up pretty much fine. These things are rare. But they're pretty freaking serious. and rapid.
Screw contacts. Yuck, yuck, yuck. So glad I never have to deal with them ever again.
At least my eyes were too dry for me to sleep in my contacts.
Posted on 1/20/15 at 1:57 am to Jet12
I had my eyes checked when I was younger.. Doctor said I had 20/10 vision.
Now about 15 years later I'd say my vision is at best 20/20
Now about 15 years later I'd say my vision is at best 20/20
Posted on 1/20/15 at 1:59 am to SwaggerCopter
Yep. Can't see shite. Would royally suck. -5.50 in right -4.75 left. Sucks.
Posted on 1/20/15 at 5:33 am to Bestbank Tiger
quote:
Yeah, but you could bang IRL 2s and not know any better, so you'd be getting a lot more action than guys who could see.
That's all there was in the 13th century. No 10's to be found.
Posted on 1/20/15 at 10:21 am to TexasTiger89
-9.75 in my left eye (astigmatism) and -8.4 in my right eye. I get contacts for free for my left eye because the doc says I'm "legally blind" and a hazard to others if I don't get them. At this rate I'm hoping the right eye keeps deteriorating so I'll get free contacts 
Will do lasik in the next couple of years (I'm 22)
Will do lasik in the next couple of years (I'm 22)
Posted on 1/20/15 at 10:23 am to nosaj
quote:OMG this
Do you think eyes deteriorate faster when they are being aided by glasses?
I just got glasses for the first time over Christmas. I'm 33 and can't stop thinking about this.
I mean, your eyes are a "tool" of your brain and you're forcing your brain to accept misrepresented visual information.
I don't know what to do.
Posted on 1/20/15 at 12:50 pm to yankeeundercover
quote:\
OMG this
I just got glasses for the first time over Christmas. I'm 33 and can't stop thinking about this.
I mean, your eyes are a "tool" of your brain and you're forcing your brain to accept misrepresented visual information.
I don't know what to do.
Don't wear them or only wear them in situations where you need them, like driving. When I was in high school I was prescribed glasses and contacts. Nothing much, just a little something to correct my vision. I went to college and lost the contacts and never wore the glasses. After college I went back to my optometrist since I hadn't been there in 4 years and my parents, basically, made me go get a checkup. He asked me if I had been wearing my glasses to which I replied "no". He said he could tell as my eyes had gotten stronger and I no longer had the need for glasses. Basically, glasses can become a crutch that your eyes rely upon. If constantly given that crutch your eyes will get lazy over time and get worse and worse.
By all means, those of you here who are blind as bats, please continue to wear your glasses. I don't want to get run over when you are behind the wheel.
Posted on 1/20/15 at 12:53 pm to SwaggerCopter
quote:
People with really bad vision: Do you ever think how lucky you are?
Absolutely.
I can't see anything without corrective lenses.
I also think often that in an apocalypse scenario my glasses/contacts/solution are going to be just as important as anything else to me.
Posted on 1/20/15 at 1:09 pm to SwaggerCopter
quote:
People with really bad vision: Do you ever think how lucky you are?
Yep. I was at -11 in both eyes before I got LASIK. It was awful, I would have been completely useless from about the time I was six if I had been born a few hundred years ago. I'm extremely thankful for the times we live in.
Posted on 1/20/15 at 1:15 pm to SwaggerCopter
If I were to list reasons I'm glad I was born in 1983 instead of 1183, the invention of fricking glasses is probably reason # 4,385.
Posted on 1/20/15 at 1:52 pm to SwaggerCopter
I bet blind chicks have a big ol bush.
This post was edited on 1/20/15 at 1:53 pm
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