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hardy-rand-ritter test in Medicine

Hardy-Rand-Ritter test

(härdē-rănd-)
n.
  1. A test for color-vision deficiency similar to the Ishihara test.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.