Method and apparatus for testing the vision of a video display terminal user
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 4, 2003
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
May 31, 2000
priority date (Note) -
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Abstract
This invention is a programmable vision testing apparatus and method for use in conducting optometric examinations of video display terminal (VDT) users. The apparatus uses a digital display screen accurately to represent a VDT used under actual work conditions. Further, a plurality of images can be displayed via the vision testing apparatus to provide a convenient and efficient way to test the eyes of VDT users with a wide variety of individual needs.
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