Har·dy-Rand-Rit·ter test(har'dē rand rit'ĕr),
a test for color vision deficiency using pseudoisochromatic cards.
Farlex Partner Medical Dictionary © Farlex 2012
Har·dy-Rand-Rit·ter test(hahr'dē rand rit'ĕr test)
Assessment of color vision deficiency using pseudoisochromatic cards. These excellent cards have not been reprinted by the American Optical Company because the plates were accidentally destroyed long ago.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Hardy,LeGrand, U.S. ophthalmologist, 1895-1954.
Hardy-Rand-Ritter test - a test for color vision deficiency.
Rand,Gertrude, U.S. visual psychologist, 1886-1970.
Hardy-Rand-Ritter test - see under Hardy, LeGrand
Medical Eponyms © Farlex 2012