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Medical Forum / General / Vision / November 2008

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Color Vision Tests

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PTKen - 05 Nov 2008 16:52 GMT
Hello. I am planning to implement the Farnsworth Munsell 100 Hue Test
at my work. What I am not certain of is whether I also need to
implement a pseudoisochromatic plate test, such a the Ishihara or HRR.
Will the FM 100 hue test tell me everything that the
pseudoisochromatic plate tests do or do I need to supplement it with
the pseudoisochromatic test?

Thanks,
Ken
Dr Judy - 06 Nov 2008 16:02 GMT
> Hello. I am planning to implement the Farnsworth Munsell 100 Hue Test
> at my work. What I am not certain of is whether I also need to
[quoted text clipped - 5 lines]
> Thanks,
> Ken

If you don't know the answer to this question, you do not know enough
about colour vision testing to administer the 100 Hue Test and
understand its results.  It is a complex test and very time consuming
to administer.  For what purposes are you using the 100 hue test?  If
it is the recommended test for licensing, the licensing body should be
providing you with details of what tests and test results are
acceptable, whether plates would be an acceptable alternative and
someone should be training you on how to administer the tests.

Dr Judy
PTKen - 06 Nov 2008 18:36 GMT
> > Hello. I am planning to implement the Farnsworth Munsell 100 Hue Test
> > at my work. What I am not certain of is whether I also need to
[quoted text clipped - 16 lines]
>
> Dr Judy

While I appreciate you taking the time to reply to my post, I don't
feel I need to justify why I asked the question, why I need to
implement the test(s), or whether or not I'm qualified to administer
the test(s) and interpret the results. A simple answer to my question
would be appreciated.

Thank you.

Ken
Jan - 06 Nov 2008 20:52 GMT
PTKen schreef:

>>> Hello. I am planning to implement the Farnsworth Munsell 100 Hue Test
>>> at my work. What I am not certain of is whether I also need to
[quoted text clipped - 24 lines]
>
> Ken

TMHO Dr Judy gives you a very simple answer on an obvious laymen question.
She did not asked you to justify why you asked the question she only
asked you for what purpose you need the test(s) to give you a better
simple answer then is possible on your incomplete question.
And most certainly the answer should simple be that you should keep away
from stuff you do not understand.

Jan (normally Dutch spoken)
serebel - 07 Nov 2008 00:23 GMT
> While I appreciate you taking the time to reply to my post, I don't
> feel I need to justify why I asked the question, why I need to
[quoted text clipped - 3 lines]
>
> Thank you.

   A simple answer?    Yes.   Satisfied?
Dr Judy - 07 Nov 2008 15:06 GMT
> > > Hello. I am planning to implement the Farnsworth Munsell 100 Hue Test
> > > at my work. What I am not certain of is whether I also need to
[quoted text clipped - 28 lines]
>
> - Show quoted text -

The simple answer is yes.

The more complex answer is that the 100 Hue test gives quite a bit
more information than the plates, is difficult for the person to do,
is complex to analyse and will find many more minor colour defects
than the plates.  Depending on your reason for needing to do colour
vision testing, the plates alone may be enough.

Judy
 
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