Accession Number : ADD011105
Title : Portable Visual Function Tester.
Descriptive Note : Patent Application,
Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Personal Author(s) : Task,H L ; Genco,L V
Report Date : 11 Apr 1984
Pagination or Media Count : 27
Abstract : A novel portable visual function tester and reliable testing method is described for the rapid and accurate measurement of several parameters of human vision, including critical fusion frequency, stereopsis. The visual display patterns may comprise light emitting diodes: the electronics of the system may include an audio recorder for recording the selected vision parameter measurement and the observations using the system, and may be battery powered for portability.
Descriptors : *Patent applications, *Vision, *Test equipment, Humans, Test methods, Visual acuity, Display systems, Electronic equipment, Patterns, Light emitting diodes
Subject Categories : Test Facilities, Equipment and Methods
Distribution Statement : APPROVED FOR PUBLIC RELEASE