Standardization of some of the common tests used in determining the acuteness of vision of school children
By: by J.M. McCallie ...
Publisher: The Modern Print Shop
Published: 1916
Place of publication: [Trenton, N.J
Language: eng
Number of pages: 40
Subjects: Eye -- Examination; Children; Vision -- Testing
Notes: Thesis (Ph. D.)--University of Pennsylvania, 1912.