Systems and methods for determining topography associated with ophthalmic procedures - Patents.com

JP7629014B2Active Publication Date: 2025-02-12ALCON INC
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Patent Information

Application Number
JP2022535223
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-12-13
Filing Date
2020-12-11
Publication Date
2025-02-12
Estimated Expiration
2040-12-11

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Abstract

The present disclosure provides a system capable of generating a laser beam, for each of a plurality of locations, determining a plurality of focal lengths associated with each of the plurality of locations in a plane orthogonal to the laser beam, adjusting at least one mirror to direct the laser beam to the location, determining a plurality of intensity values ​​associated with each of the plurality of intermediate focal lengths, determining a maximum intensity value among the plurality of intensity values, determining an intermediate focal length among the plurality of intermediate focal lengths each associated with a maximum intensity value, determining a focal length among the plurality of focal lengths as the intermediate focal length among the plurality of intermediate focal lengths each associated with a maximum intensity value, and determining a topography of a surface of a patient interface based on at least the plurality of focal lengths associated with each of the plurality of locations.
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Citation Information

Patent Citations

  • Corneal incision measuring method and device

    JP1999506637A

  • Corneal surgery apparatus

    JP2006051101A

  • Ophthalmic laser surgical apparatus

    JP2013248303A

  • Scanning microscope with polarized sample illumination

    JP2016534354A

  • Method and apparatus for dispersion compensated reflected time-of-flight tomography

    US20030025917A1