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公开(公告)号：US11540946B2
公开(公告)日：2023-01-03
申请号：US17057689
申请日：2020-04-07
Applicant: AMO Development, LLC
Inventor： Richard Hofer , Alexander Vankov , Jenny Wang , David A. Dewey , Phillip Gooding , Georg Schuele
Abstract: Methods and related apparatus for real-time process monitoring during laser-based refractive index modification of an intraocular lens. During in situ laser treatment of the IOL to modify the refractive index of the IOL material, a signal from the IOL is measured to determine the processing effect of the refractive index modification, and based on the determination, to adjust the laser system parameters to achieve intended processing result. The signal measured from the IOL may be a fluorescent signal induced by the treatment laser, a fluorescent signal induced by an external illumination source, a temporary photodarkening effect, a color change, or a refractive index change directly measured by phase stabilized OCT.
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公开(公告)号：US11478380B2
公开(公告)日：2022-10-25
申请号：US16987306
申请日：2020-08-06
Applicant: AMO Development, LLC
Inventor： Georg Schuele , Phillip Gooding
Abstract: An imaging system includes an eye interface device, a scanning assembly, a beam source, a free-floating mechanism, and a detection assembly. The eye interface device interfaces with an eye. The scanning assembly supports the eye interface device and scans a focal point of an electromagnetic radiation beam within the eye. The beam source generates the electromagnetic radiation beam. The free-floating mechanism supports the scanning assembly and accommodates movement of the eye and provides a variable optical path for the electronic radiation beam and a portion of the electronic radiation beam reflected from the focal point location. The variable optical path is disposed between the beam source and the scanner and has an optical path length that varies to accommodate movement of the eye. The detection assembly generates a signal indicative of intensity of a portion of the electromagnetic radiation beam reflected from the focal point location.
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Patent Agency Ranking
43.发明申请公开(公告)号：US20220015949A1
公开(公告)日：2022-01-20
申请号：US17057691
申请日：2020-04-08
Applicant: AMO Development, LLC
Inventor： Alexander Vankov , Jenny Wang , David A. Dewey , Phillip Gooding , Richard Hofer , Georg Schuele
Abstract: The XYZ beam position of an ophthalmic laser system is calibrated by measuring a fluorescent signal induced by the focused laser beam in a thin glass coverslip via multiphoton absorption. A video camera measures the XY position and intensity of the fluorescent signal as the focused laser beam strikes the coverslip. The Z position of the focus is determined by scanning the targeted z position and identifying the Z scanner position of peak fluorescence. An OCT system measures the real space Z location of the coverslip, which is correlated with the Z scanner position. Other laser system parameters are assessed by repeatedly scanning a lower energy laser beam in a piece of IOL material, and observing damage (scattering voids) formation in the IOL material. Based on the rate of damage formation, laser system parameters such as beam quality, numerical aperture, pulse energy, and pulse duration, etc. can be assessed.
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44.发明授权公开(公告)号：US11154424B2
公开(公告)日：2021-10-26
申请号：US16375784
申请日：2019-04-04
Applicant: AMO Development, LLC
Inventor： Georg Schuele , Alexander Vankov , Jenny Wang , David A. Dewey , Tianheng Wang , Michael Wiltberger , Mihai State , Phillip Gooding
Abstract: A method of altering a refractive property of a crosslinked acrylic polymer material by irradiating the material with a high energy pulsed laser beam to change its refractive index. The method is used to alter the refractive property, and hence the optical power, of an implantable intraocular lens after implantation in the patient's eye. In some examples, the wavelength of the laser beam is in the far red and near IR range and the light is absorbed by the crosslinked acrylic polymer via two-photon absorption at high laser pulse energy. The method also includes designing laser beam scan patterns that compensate for effects of multiphone absorption such as a shift in the depth of the laser pulse absorption location, and compensate for effects caused by high laser pulse energy such as thermal lensing. The method can be used to form a Fresnel lens in the optical zone.
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公开(公告)号：US10736780B2
公开(公告)日：2020-08-11
申请号：US15849314
申请日：2017-12-20
Applicant: AMO Development, LLC
Inventor： Georg Schuele , Phillip Gooding
Abstract: A method for laser eye surgery that accommodates patient movement includes: generating a first and a second electromagnetic radiation beam, the second beam configured to modify eye tissue; propagating the first beam to a scanner along a an optical path length that changes in response to eye movement; focusing the first beam to a first focal point within the eye; scanning the first focal point at different locations within the eye; propagating a portion of the first beam reflected from the first focal point location back along the variable optical path to a sensor; generating an intensity signal indicative of the intensity of the portion of the reflected first beam; propagating the second beam to the scanner along the variable optical path; focusing the second beam to a second focal point and scanning the second focal point to create an incision in the cornea of the eye.
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公开(公告)号：US10736779B2
公开(公告)日：2020-08-11
申请号：US15849056
申请日：2017-12-20
Applicant: AMO Development, LLC
Inventor： Georg Schuele , Phillip Gooding
Abstract: An imaging system includes an eye interface device, a scanning assembly, a beam source, a free-floating mechanism, and a detection assembly. The eye interface device interfaces with an eye. The scanning assembly supports the eye interface device and scans a focal point of an electromagnetic radiation beam within the eye. The beam source generates the electromagnetic radiation beam. The free-floating mechanism supports the scanning assembly and accommodates movement of the eye and provides a variable optical path for the electronic radiation beam and a portion of the electronic radiation beam reflected from the focal point location. The variable optical path is disposed between the beam source and the scanner and has an optical path length that varies to accommodate movement of the eye. The detection assembly generates a signal indicative of intensity of a portion of the electromagnetic radiation beam reflected from the focal point location.
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公开(公告)号：US10729538B2
公开(公告)日：2020-08-04
申请号：US15726296
申请日：2017-10-05
Applicant: AMO Development, LLC
Inventor： William Culbertson , Barry Seibel , Neil Friedman , Georg Schuele , Phillip Gooding
Abstract: A method of treating a lens of a patient's eye includes generating a light beam, deflecting the light beam using a scanner to form a treatment pattern of the light beam, delivering the treatment pattern to the lens of a patient's eye to create a plurality of cuts in the lens in the form of the treatment pattern to break the lens up into a plurality of pieces, and removing the lens pieces from the patient's eye. The lens pieces can then be mechanically removed. The light beam can be used to create larger segmenting cuts into the lens, as well as smaller softening cuts that soften the lens for easier removal.
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