RE: Optometry symbols proposal

From: Doug Ewell (
Date: Thu Apr 01 2010 - 14:28:28 CST

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    Kent Karlsson <kent dot karlsson14 at comhem dot se> wrote:

    > Potential manualese:
    > "If the subject has difficulty telling the difference between <open-up
    > circle symbol> and <open-down circle symbol>, but can easily tell the
    > difference between <open-left circle symbol> and <open-right circle symbol>,
    > this indicates an approximate 90° astigmatism."
    > Seems plain text enough for me...

    This scenario could be extended to just about any symbol(s) imaginable.
    Page 10 of the Colorado Driver Handbook shows the well-known graphic of
    a glass of wine, a shot of whiskey, and a pilsner glass full of beer to
    drive home the point that they contain the same amount of ethanol. If
    those were encoded as characters, the graphic could be dispensed with.
    There are also numerous images of traffic signs and text referring to
    them. And so on.

    Doug Ewell  |  Thornton, Colorado, USA  |
    RFC 5645, 4645, UTN #14  |  ietf-languages @ ­

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