Concept
Color Vision Defects, epidemiology
Catalogue
- Books
- Online
Relative frequency of color-blindness in males and females / by B. Joy Jeffries.
Jeffries, B. Joy (Benjamin Joy), 1833-1915.Date: 1878
- Books
- Online
Report of the examination of 27,927 school children for color-blindness / by B. Joy Jeffries.
Jeffries, B. Joy (Benjamin Joy), 1833-1915.Date: 1880
- Books
- Online
Colour-blindness.
Date: 1881