Vision testing system and method
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United States of America Patent
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Apr 10, 2012
Grant Date -
Dec 18, 2008
app pub date -
Nov 15, 2006
filing date -
Nov 15, 2005
priority date (Note) -
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Abstract
A method for testing a person's vision is disclosed. The method includes providing, for display to the person, one or more sequences of test images, each test image including one or more test symbols. For each test image, a target symbol is identified to the person. The person then views each test image in the sequence and activates a control in response to recognizing a test symbol that replicates the shape of the target symbol. At the completion of the sequence, a parameter value associated with the activations is processed and correlated with a vision metric. A system for testing a person's vision is also disclosed.
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