scholarly journals 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.

1924 ◽  
Vol 39 (48) ◽  
pp. 3013 ◽  
Author(s):  
Selwyn D. Collins
1991 ◽  
Vol 61 (6) ◽  
pp. 879-884 ◽  
Author(s):  
S. I. Rahlenbeck ◽  
J. A. Stolwijk ◽  
B. L. Cohen

Sign in / Sign up

Export Citation Format

Share Document