[Histonet] Re: Color Blindness Testing
Bob Richmond
rsrichmond <@t> gmail.com
Tue Mar 13 10:58:59 CDT 2012
Laurie asks: >>Does anyone know of any (free) online testing for
color blindness? Does anyone have an alternate method that they have
used to satisfy CAP requirements?<<
Here are some online Ishihara plates quickly found through Wikipedia:
http://offsetpressman.blogspot.com/2009/10/color-blindness-test-for-printers.html
There are many others. Two reservations: Color monitors don't
reproduce colors with sufficient accuracy. And an online test may not
satisfy bureaucrats. You'd have to ask.
I have normal color vision, but I've been interested in color
blindness among pathologists for about 50 years. I know of only one
major problem, finding red acid-fast bacilli in a blue-background
stain. This problem should be solved by banning light-microscopic
acid-fast stains, something the CAP should have done years ago.
I don't like the implication of color-blindness testing in the absence
of a significant problem. Can somebody lose their job, or not get
hired in the first place, because of color-blindness?
It may be Good Management, but it's not good medicine or good social policy.
Bob Richmond
Samurai Pathologist
Knoxville TN
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