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