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Old 12-17-2007, 05:53 PM   #1 (permalink)
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Just how poor is 20/100 vision?

OK, So I've started down the road to becoming a gubbment employee, but one requirement is that my vision be better than 20/100 uncorrected. It's been years since I've been to the optometrist, and will be a couple weeks before I can get to one, so in the meantime, can anyone give me some examples of how bad my vision would be for it to be 20/100?

If it helps, I can just barely read this at arm's length without my glasses.
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Old 12-17-2007, 06:01 PM   #2 (permalink)
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Generally you approximately see can something at 20 yards that an average person can see at 100. 20/100 is pretty bad.
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Old 12-17-2007, 06:01 PM   #3 (permalink)
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All I can give you is what google is likely to tell you. 20/100 is you can see at 20 feet what most people can see at 100 feet.

Go get tested.
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Old 12-17-2007, 06:17 PM   #4 (permalink)
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Hahaha, that's how bad I was before PRK. WAY bad.
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Old 12-17-2007, 06:22 PM   #5 (permalink)
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Measure the height of the E in inches. Multiply that dimension by 2.838, then sit that many feet away. (example: if it's 2", sit 5'8" away)

If you can read the 20/100 line, that is your vision, so if you want vision that is better than that, hope you can read the third line.

(from http://www.eyes-and-vision.com/take-...st-online.html )
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Last edited by telekinetic; 12-17-2007 at 06:27 PM..
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Old 12-17-2007, 06:27 PM   #6 (permalink)
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Why do they always use pseudo-serif fonts on those things? Make it all hard 'n stuff. Jeez.
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Old 12-17-2007, 06:28 PM   #7 (permalink)
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without my glasses i couldnt read big off ramp signs till i passed them... haha

but can you read your speedometer without squinting? if you can't, thats bad.

you will probably have about -3.00 + on each eye. (contacts, maybe.)
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Old 12-17-2007, 06:32 PM   #8 (permalink)
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Quote:
Originally Posted by blktour
you will probably have about -3.00 + on each eye. (contacts, maybe.)
How on earth did you diagnose that estimate with the information present in this thread?
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Old 12-17-2007, 06:59 PM   #9 (permalink)
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Quote:
Originally Posted by twistedmosaic
How on earth did you diagnose that estimate with the information present in this thread?

didnt diagnose it. just guessing. I consider myself pretty blind and i can still see in front of me, ( arms length.) but i am a -2.00 and my sister cannot read her speedometer when she doesnt have her glasses and she is about -3.50 or so.
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Old 12-17-2007, 07:02 PM   #10 (permalink)
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All I know is if I take off my glasses I can't see fuck all...
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Old 12-18-2007, 03:06 AM   #11 (permalink)
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Im a -8.00 in one eye and a -8.25 in the other, if you take my glasses away from me I cant read anything more than 5 inches away from my eyes

the highest I can find right now in a quick search is that 20/800 is a -6.00

so Im blinder than that, I've been wearing glasses since I was 6

What is the reason that you have to be better than 20/200 without correction to be an employee of the government?
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Old 12-18-2007, 04:04 AM   #12 (permalink)
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Wow, Shani! I'm a -3.5 and -3.75 and I can't see for shit....my son is, if I recall, -4.25 and -4.5. He has to wear really small-framed glasses to avoid having coke-bottle lenses.
When I wear a current prescription, for some odd reason, my eyesight goes to 20/15, but I don't know what it is without them.
If I take my glasses off and look at that eyechart just sitting about two feet away, I can't read the bottom two lines.
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Old 12-18-2007, 04:06 AM   #13 (permalink)
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lol yeah....my vision sucks....I cant even see that great big E on the computer screen if Im more than 2ish feet away
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Old 12-18-2007, 04:52 AM   #14 (permalink)
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Quote:
What is the reason that you have to be better than 20/200 without correction to be an employee of the government?
I dunno, but I assume it has to do with the possibility of me having my eye wear knocked off in a scuffle or something. (It's a law enforcement position.)

And thanks for all the responses everyone.
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Old 12-18-2007, 04:57 AM   #15 (permalink)
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ahhh I was thinking "government office work" for some reason.....now it makes more sense
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Old 12-18-2007, 04:59 AM   #16 (permalink)
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I was about 20/100 before I got LASIK in July. I had to wear glasses for everything but reading.

Now I'm 20/15 The only glasses I have to wear are my polarized sunglasses

Just go get an eye exam. Go to a Lenscrafters or something because they'll usually give you a free exam if you express intent to possibly purchase contacts or eyeglasses.
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Old 12-18-2007, 05:05 AM   #17 (permalink)
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Do I win? I'm at about -13 in both eyes. My clear vision point is 1 inch off the tip of my nose. I'm also not a candidate for surgery due to thin retinas.
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Old 12-18-2007, 05:13 AM   #18 (permalink)
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Damn RL, I thought I was bad.....question for you....do you hear better with or without your corrective lenses? lol I swear if I dont have my glasses on I have a hard time understanding people talking to me....its like Im deaf if I cant see their lips move (makes it harder that I actually only have 1/4 hearing in one ear)
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Old 12-18-2007, 05:23 AM   #19 (permalink)
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Quote:
Originally Posted by ShaniFaye
Damn RL, I thought I was bad.....question for you....do you hear better with or without your corrective lenses? lol I swear if I dont have my glasses on I have a hard time understanding people talking to me....its like Im deaf if I cant see their lips move (makes it harder that I actually only have 1/4 hearing in one ear)
I have no idea. The first thing I do when I wake up is put on my glasses, and shortly after that I replace them with the gas permeable contacts. The contacts stay in until I go to bed. I have perfect vision when wearing my contacts.

On the flip side, I suck at reading lips, so I hate noisy environments like bars.
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Old 12-18-2007, 05:42 AM   #20 (permalink)
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ahhh..I dont wear contacts so when my glasses are off (like when getting my hair done) I have the hardest time hearing lol
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Old 12-18-2007, 06:48 AM   #21 (permalink)
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Two words for you:

Laser surgery
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Old 12-19-2007, 06:57 PM   #22 (permalink)
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when I have my contacts out/glasses off, my vision is 20/800. I can see at 20 feet what normal sighted people can see at 800 feet away. In other words, I am blind as a bat. (damn you, astigmatism!!!!!! )
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Old 12-19-2007, 07:14 PM   #23 (permalink)
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Quote:
Originally Posted by ShaniFaye
Damn RL, I thought I was bad.....question for you....do you hear better with or without your corrective lenses? lol I swear if I dont have my glasses on I have a hard time understanding people talking to me....its like Im deaf if I cant see their lips move (makes it harder that I actually only have 1/4 hearing in one ear)
I have the same problem-can't hear as well if I don't have the glasses on. I can't read lips very well either, so I don't know if it's habit or what. Perhaps it's because if I don't see them looking my way, I don't listen?
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Old 12-19-2007, 07:46 PM   #24 (permalink)
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Quote:
Originally Posted by ngdawg
Wow, Shani! I'm a -3.5 and -3.75 and I can't see for shit....my son is, if I recall, -4.25 and -4.5. He has to wear really small-framed glasses to avoid having coke-bottle lenses.
When I wear a current prescription, for some odd reason, my eyesight goes to 20/15, but I don't know what it is without them.
If I take my glasses off and look at that eyechart just sitting about two feet away, I can't read the bottom two lines.
Once, my optometrist showed me my lenses before they were cut. The lens for my left eye was nearly half an inch thick at the edge. He said I should always purchase glasses with small lenses to minimize that coke-bottle effect. My right eye isn't nearly as bad as my left.

I have no idea what my vision is in numbers, but I do know I have astigmatism. Woo. I do have my numbers somewhere in a file, though, just in case my glasses shatter (unlikely) or the computer system at Binyons fails.
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Old 12-19-2007, 09:04 PM   #25 (permalink)
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I've got terrible eyesight. I *wish* I had 20/100 vision Last I time I checked my vision was about 20/200. Seriously. I can't see worth shit without my glasses.
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Last edited by Infinite_Loser; 12-19-2007 at 09:07 PM..
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Old 12-19-2007, 09:33 PM   #26 (permalink)
... a sort of licensed troubleshooter.
 
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IL, 20/200 is legally blind.
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Old 12-20-2007, 10:54 AM   #27 (permalink)
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Quote:
Originally Posted by willravel
IL, 20/200 is legally blind.
Are you sure about that? Because back when I was about -10 diopters, I was told that my vision could not be described in a "20/x" expression, but I was only halfway to "legally blind".

(goes and researches)

Aha, the rule is "anyone with vision worse than 20/200 that cannot be improved with corrective lenses is considered legally blind". So, if your glasses work, you aren't legally blind.
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Old 12-20-2007, 11:02 AM   #28 (permalink)
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Quote:
Originally Posted by Redlemon
Are you sure about that? Because back when I was about -10 diopters, I was told that my vision could not be described in a "20/x" expression, but I was only halfway to "legally blind".

(goes and researches)

Aha, the rule is "anyone with vision worse than 20/200 that cannot be improved with corrective lenses is considered legally blind". So, if your glasses work, you aren't legally blind.
Apologies, I should have been more specific. I was working off his last sentence where IL said he can't see without his glasses. So when he said "I can't see worth shit", he wasn't kidding.
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Old 12-20-2007, 11:14 AM   #29 (permalink)
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I wish my vision was as good as 20/200
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