Switchable Optical Coherence Tomography Apparatus for Anterior and Posterior Eye Chamber Imaging
Summary
USPTO published patent application US20260108149A1 by inventors Steven James Frisken and Armin Georg Segref, filed October 22, 2025, covering an optical coherence tomography apparatus with switchable configuration for eye metrology. The apparatus is configurable between anterior chamber mode (with wavefront sensing and corneal topography) and posterior chamber mode (retinal tomography), using electrically actuatable optical relay elements. CPC classifications span A61B 3 devices and G16H 40/63 (healthcare informatics for medical equipment management).
“Apparatus and methods are presented for optical coherence tomography and metrology of an eye, with the apparatus being switchable between anterior chamber and posterior chamber modes.”
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What changed
USPTO published patent application US20260108149A1 disclosing an optical coherence tomography apparatus configurable between anterior and posterior chamber imaging modes for eye metrology. The anterior chamber mode adds wavefront sensing and reflection-based corneal topography capabilities, while the posterior chamber mode focuses on retinal tomography. The switchable configuration uses one or more electrically actuatable optical relay elements.
For competitors in ophthalmic imaging equipment, this publication places the technology in the public domain as prior art. Any similar switchable anterior/posterior chamber OCT systems under development should be reviewed for potential freedom-to-operate issues once the application proceeds to grant. The G16H 40/63 classification indicates relevance to healthcare informatics and medical equipment management systems.
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
APPARATUS WITH SWITCHABLE CONFIGURATION FOR OPTICAL COHERENCE TOMOGRAPHY AND METROLOGY OF AN EYE
Application US20260108149A1 Kind: A1 Apr 23, 2026
Inventors
Steven James Frisken, Armin Georg Segref
Abstract
Apparatus and methods are presented for optical coherence tomography and metrology of an eye, with the apparatus being switchable between anterior chamber and posterior chamber modes. In the posterior chamber mode the apparatus is configured to provide tomographic imaging of the retina, while in the anterior chamber mode the apparatus is configured to provide tomographic imaging of one or more features in the anterior chamber and one or more additional imaging or metrology modalities including at least one of wavefront sensing and reflection based corneal topography. In preferred embodiments the apparatus comprises an optical relay having one or more electrically actuatable elements for switching the apparatus between the anterior chamber and posterior chamber modes.
CPC Classifications
A61B 3/102 A61B 3/1005 A61B 3/1015 A61B 3/107 A61B 3/117 A61B 3/1225 A61B 3/145 G16H 40/63
Filing Date
2025-10-22
Application No.
19365614
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