Medical Dictionary
Main Entry:
Holm·gren yarn test Pronunciation:
'hOm-gr&n-'yärn-, 'hOlm- Function:
noun : a method of testing color vision by the use ofcolored wool yarns called also
Holmgren test, Holmgren wool test Holmgren /'holm-"grAn/,
Alarik Frithiof (1831–1897), Swedish physiologist.Holmgren introduced his test for color blindness in an 1874 article.