HANDHELD VISION TESTER AND CALIBRATION THEREOF

In one aspect, there is provided an embodiment of a calibration system for use with a vision tester having a display. In this particular embodiment, the calibration system comprises a calibration stand and a reflective surface. The calibration stand is configured to hold the vision tester. The refle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BARTLETT MIKE, WANG YI-ZHONG, KRENIK WILLIAM R
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PICTORIAL COMMUNICATION, e.g. TELEVISION SURGERY
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Beschreibung
Zusammenfassung:	In one aspect, there is provided an embodiment of a calibration system for use with a vision tester having a display. In this particular embodiment, the calibration system comprises a calibration stand and a reflective surface. The calibration stand is configured to hold the vision tester. The reflective surface is coupled to the calibration stand and is oriented substantially parallel to the display. The calibration stand is configured to hold the display of the vision tester at a fixed distance from the reflective surface.