Comparison of two vision-testing devices : a study to compare visual acuity as measured by the sight-screener and the Sloan letter chart

• Record Nr.: UNINA9910713634203321
• Pubbl/distr/stampa: Washington, D.C. : , : U.S. Department of Health, Education, and Welfare, Public Health Service, , 1963
• Descrizione fisica: 1 online resource (4 unnumbered pages, 33 pages) : illustrations
• Collana: Vital and health statistics. Series 2, Data evaluation and methods research ; ; number 1; Public Health Service publication ; ; no. 1000-series 2-no. 1
• Soggetti: Optometry - United States; Vision - Testing; Optometry
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: "June 1963."
• Nota di bibliografia: Includes bibliographical references (page 16).