Holmgren yarn testplay
Medical Definition of Holmgren yarn test
: a method of testing color vision by the use of colored wool yarns—called also Holmgren test, Holmgren wool test
Biographical Note for holmgren yarn test
Alarik Frithiof (1831–1897), Swedish physiologist. Holmgren introduced his test for color blindness in an 1874 article.
Seen and Heard
What made you want to look up Holmgren yarn test? Please tell us where you read or heard it (including the quote, if possible).