Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate
2008-09-08
2010-12-21
Mack, Ricky L (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
Reexamination Certificate
active
07854509
ABSTRACT:
An article and method for screening vision are described that does not require verbal input from a test person or the test person to maintain a fixed position during the screening. The article includes an image capture device, at least one test light, a processing unit that includes an interpretive program, and a display. The method comprises capturing an image of a person's eyes, verifying the image, studying the image, evaluating the image, and displaying the results. Conveniently, the article and method require no special training by an operator.
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Simulation of Eccentric Photorefraction Images, Ying-Ling Chen, Bo Tan, and J.W.L. Lewis, Optics Express, vol. II, No. 14, Jul. 14, 2003.
Mack Ricky L
Tra Tuyen Q
Williams James R.
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