Holmgren+yarn+test

One entry found for Holmgren yarn test.

Main Entry: Holm·gren yarn test
Pronunciation: hm-grn-yärn-, hlm-
Function: noun
: a method of testing color vision by the use of colored wool yarns -- called also Holmgren test, Holmgren wool test
Holm·gren /hlm-grn/ , Alarik Frithiof (1831-1897), Swedish physiologist. Holmgren introduced his test for color blindness in an 1874 article.