Single-arm optical coherence tomography pachymetry system and method
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United States of America Patent
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May 4, 2010
Grant Date -
Apr 15, 2010
app pub date -
Oct 10, 2008
filing date -
Oct 10, 2008
priority date (Note) -
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Abstract
A single arm optical coherence tomography (OCT) pachymetry system and methods for measuring layers of the eye are disclosed. The system includes an artificial lens for positioning on the eye, a light source emitting a measurement light beam along an optical path posteriorly toward the cornea, and a detector receiving and measuring a combined signal of light reflections anteriorly from a plurality of reflecting surfaces associated with the eye. The reflecting surfaces include a first reflecting surface associated with the artificial lens and one or more second reflecting surfaces corresponding to corneal layers. A processor is coupled to the detector and is configured to determine a distance between two of the corneal layers from the combined signal.
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