Comparison of two vision-testing devices : a study to compare visual acuity as measured by the sight-screener and the Sloan letter chart.
- National Center for Health Statistics (U.S.)
- Date:
- 1963
- Books
About this work
Publication/Creation
Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, 1963.
Physical description
33 pages : illustrations ; 26 cm.
Contributors
Notes
Public Health Service publication, no. 1000-Ser. 2-no. 1.
Type/Technique
Languages
Subjects
Where to find it
Location Status Access Closed storesM6444