Refractive errors in the eyes of children as determined by retinoscopic examination with a cycloplegic.
Subtitle: Results of eye examinations of 1,860 white school children in Washington, D. C.
By: by Grover A. Kempf, surgeon, Selwyn D. Collins, associate statistician [and] Bernard L. Jarman, A. A., surgeon, United States Public health service. Prepared by direction of the surgeon general.
Contributors: Collins, Selwyn De Witt, 1891-1959.
Series: Public health bulletin -- no. 182
Publisher: U. S. Govt. print. off.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 56
Subjects: Eye -- Accommodation and refraction.; Public schools -- Washington (D.C.)
Notes: At head of title: Treasury department. United States Public health service ...

Includes bibliographical references (p. 44).