On 2/3/07, der.hans <PLUGd@lufthans.com> wrote:
>
> moin moin,
>
> do people with vision problems just get locked out of sites using
> captchas?
>
> Are there braille interpretations for captchas?
>
> Are there audio captchas? If there are, what if the person is vision
> impaired and can't hear the audio file ( I believe audio still isn't part
> of HTML specifications, browser and/or computer might not support sound,
> person might also be hearing impoaried, etc. )?
>
> ciao,
>
> der.hans
> --
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>

some of these issues are discussed in the section on
"Accessibility"at "http://en.wikipedia.org/wiki/Captcha";
It is one of the longest sections of that 'pedia article.
-- 
Mike Schwartz
Glendale  AZ
schwartz@acm.org
Mike.L.Schwartz@gmail.com