The Eyesight of the School Child as Determined by the Snellen Test. A Statistical Study of the Results of Vision Tests of 9,245 Native White Children in New York State, Delaware, South Carolina, and Frederick County, Md., and of 2,636 White Children in Cecil County, Md.
Open Access
- 1 January 1924
- journal article
- Published by JSTOR in Public Health Reports (1896-1970)
- Vol. 39 (48), 3013
- https://doi.org/10.2307/4577376