Vision Prescription

This is a discussion on Vision Prescription within the A Brief History of Cprogramming.com forums, part of the Community Boards category; I have just completed my evolution to geekdom. I got glasses this week. Only one of my eyes is blurred ...

  1. #1
    pronounced 'fib' FillYourBrain's Avatar
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    Vision Prescription

    I have just completed my evolution to geekdom. I got glasses this week. Only one of my eyes is blurred so its just plain ol glass on the left side. Does anyone understand the meaning of the numbers though? When people talk about 20/20 vision, what does that mean? More specifically, the numbers written on my glasses are 48/18/140. What's that?
    Last edited by FillYourBrain; 08-08-2003 at 11:19 AM.
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

  2. #2
    Pursuing knowledge confuted's Avatar
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    I believe that 20/20 means you can see at 20 units of distance what you should be able to see at 20 units of distance.

    I've never seen three numbers written though. Perhaps it means you can see at 48 feet what you should be able to see at 18 feet... are you far sighted?
    Away.

  3. #3
    pronounced 'fib' FillYourBrain's Avatar
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    that's what she said. But my two eyes are different. My left eye has no blurring at all.
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

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    My left eye has no blurring at all.
    Thats what i have.

  5. #5
    Pursuing knowledge confuted's Avatar
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    How many times did your mother tell you not to stick your finger in your eye? Did you listen? No; you stuck your finger in your right eye. Now look what happened.

    edit: Oh, and the vision in each eye is normally at least a little different, because there is a dominant eye, but your more extreme.
    Away.

  6. #6
    pronounced 'fib' FillYourBrain's Avatar
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    I was guessing that 48/18/140 meant (right eye) / (left eye) / (something else) as in 48/20 on right, 18/20 on left. Does that sound right?
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

  7. #7
    pronounced 'fib' FillYourBrain's Avatar
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    yeah, now I know better. No more sticking my finger in my eye. Darn, it was a lot of fun too.
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

  8. #8
    RoD
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    i have 200/200 vision without my glasses and 40/40 with them lol, my eyes are horrible.

  9. #9
    pronounced 'fib' FillYourBrain's Avatar
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    so wait. does that mean that the two numbers are for each eye?
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

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    Un Artiste Extraordinaire volk's Avatar
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    pronounced 'fib' FillYourBrain's Avatar
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    ok, so based on what I'm seeing on the web and at the link you posted:

    I have 20/48 on the right side and 20/18 on the left side. 140 means nothing to me.
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

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    Mayor of Awesometown Govtcheez's Avatar
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    > 140 means nothing to me.

    It's how smart the glasses make you look, in IQ points.

  13. #13
    Un Artiste Extraordinaire volk's Avatar
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    ...the numbers written on my glasses are 48/18/140. What's that?


    Oops, forgot to mention...


    Here's your answer

  14. #14
    pronounced 'fib' FillYourBrain's Avatar
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    oh crap! it's the frame size?!?! So I have no idea what my prescription is then
    "You are stupid! You are stupid! Oh, and don't forget, you are STUPID!" - Dexter

  15. #15
    Un Artiste Extraordinaire volk's Avatar
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    Originally posted by FillYourBrain
    oh crap! it's the frame size?!?! So I have no idea what my prescription is then
    You could, you know, ask the person who wrote the prescription for you.

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