VISUAL ACUITY EXAMINATION

VISUAL ACUITY EXAMINATION

A vision screening apparatus conducts a photorefraction ocular screening test to generate refractive error data. Based on the refractive error data, a Snellen equivalent is determined. An evaluated person distance from the vision screening apparatus is also determined and used to generate an adjuste...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROBERTS, Chris, R, KELLNER, David, L, LOU, Yaolong, MERELES, Mathias, WHITAKER, Tyson, B, SCHNEIDER, Megan, LANE, John, A, GOLDFAIN, Ervin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A vision screening apparatus conducts a photorefraction ocular screening test to generate refractive error data. Based on the refractive error data, a Snellen equivalent is determined. An evaluated person distance from the vision screening apparatus is also determined and used to generate an adjusted optotype size. The vision screening apparatus displays the optotype, adjusted for the Snellen equivalent and the evaluated person distance.