Patents Assigned to RxSight, Inc.
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Patent number: 11484200Abstract: A light adjustable lens illumination system comprises an illumination source, for generating a light beam; a light delivery system, for projecting the light beam onto a Light Adjustable Lens (LAL), implanted into an eye, wherein a fraction of the light beam propagates past the LAL to a retina of the eye; and a protective beam-shaper, for shaping the light beam to have an intensity pattern with a relative central intensity reduction that varies along an axis; wherein the relative central intensity reduction at the retina is greater than the relative central intensity reduction at a LAL plane.Type: GrantFiled: March 14, 2019Date of Patent: November 1, 2022Assignee: RxSight, Inc.Inventors: John Kondis, Robert Maloney, Ilya Goldshleger, Matt Haller, Christian A. Sandstedt
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Patent number: 11266495Abstract: Embodiments of a modulable absorption light adjustable lens (MALAL) comprise a light adjustable lens that is capable of changing its optical properties upon an adjusting irradiation, including a photo-modifiable material; and a modulable absorption front protection layer, including a modulable absorption compound whose absorption properties can be modulated with a modulating stimulus. Other embodiments include a method of adjusting an optical property of a modulable absorption light adjustable lens, the method comprising: reducing an absorption of a modulable absorption compound of a modulable absorption front protection layer of the MALAL by a modulating stimulus, the MALAL having been previously implanted into an eye; and changing an optical property of a light adjustable lens of the MALAL by applying an adjusting irradiation.Type: GrantFiled: October 20, 2019Date of Patent: March 8, 2022Assignee: RxSight, Inc.Inventors: Ilya Goldshleger, John Kondis, Ritu Shrestha
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Patent number: 11191637Abstract: A Light Adjustable Lens (LAL) comprises a central region, centered on a central axis, having a position-dependent central optical power, and a peripheral annulus, centered on an annulus axis and surrounding the central region, having a position-dependent peripheral optical power; wherein the central optical power is at least 0.5 diopters different from an average of the peripheral optical power, and the central axis is laterally shifted relative to the annulus axis. A method of adjusting the LAL comprises implanting a LAL; applying a first illumination to the LAL with a first illumination pattern to induce a position-dependent peripheral optical power in at least a peripheral annulus, centered on an annulus axis; determining a central region and a corresponding central axis of the LAL; and applying a second illumination to the LAL with a second illumination pattern to induce a position-dependent central optical power in the central region of the LAL.Type: GrantFiled: December 31, 2018Date of Patent: December 7, 2021Assignee: RxSight, Inc.Inventors: Ilya Goldshleger, John Kondis, Matt Haller, Christian A. Sandstedt, Pablo Artal, Eloy Angel Villegas
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Publication number: 20210322152Abstract: A composite light adjustable intraocular lens can include an acrylic intraocular insert; a silicone-based light adjustable lens, attached to the acrylic intraocular insert with an adhesion promoter; and haptics; wherein the adhesion promoter includes a first orthogonal functional group, configured to bond with an acrylic component of the acrylic intraocular insert; and a second orthogonal functional group, configured to bond with a silicone component of the silicone-based light adjustable lens.Type: ApplicationFiled: April 15, 2020Publication date: October 21, 2021Applicant: RxSight, Inc.Inventors: Ritu Shrestha, Ilya Goldshleger, John Kondis, Ronald M. Kurtz
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Patent number: 11129708Abstract: A multifocal intraocular lens (MF-IOL) includes a circularly birefringent material with a right-handed index of refraction nR for a light with a right-handed polarization, and a left-handed index of refraction nL for a light with a left-handed polarization; and haptics, to position the multifocal intraocular lens inside a capsule of an eye; wherein the multifocal intraocular lens has a right-handed optical power DR for the light with the right-handed polarization, and a left-handed optical power DL for the light with the left-handed polarization, wherein DL/DR=(nL?1)/(nR?1). Some variations of the MF-IOL include stimulus-orientable optically anisotropic constituents. Some classes of the MF-IOL include a self-assembling optically anisotropic compound.Type: GrantFiled: July 31, 2017Date of Patent: September 28, 2021Assignee: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger
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Publication number: 20210251744Abstract: A composite light adjustable intraocular lens comprises an acrylic diffractive intraocular lens, having a diffractive structure and haptics; and a silicone light adjustable lens, attached to the acrylic diffractive intraocular lens. The diffractive structure produces constructive interference in at least four consecutive diffractive orders corresponding a range of vision between near and distance vision, wherein the constructive interference produces a near focal point, a distance focal point corresponding to the base power of the ophthalmic lens, and an intermediate focal point between the near focal point and the distance focal point and wherein a diffraction efficiency of at least one of the diffractive orders is suppressed to less than ten percent.Type: ApplicationFiled: February 21, 2021Publication date: August 19, 2021Applicant: RxSight, Inc.Inventors: Ilya Goldshleger, John Kondis, Ronald M. Kurtz, Ritu Shrestha
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Patent number: 11083568Abstract: A cartridge of an intraocular lens inserter comprises an insertion nozzle, having a distal insertion channel; an intra-ocular lens (IOL)-folding stage, to receive and to fold an IOL, proximal to the insertion nozzle, and having a proximal insertion channel; and an IOL-guiding structure. The IOL-guiding structure can include a first proximal guiding groove, or a first proximal guiding rib, or both, formed in the IOL-folding stage. An intraocular lens inserter comprises an inserter cylinder; a push-rod, partially in the inserter cylinder; a cartridge-receiving insertion end, to receive a cartridge that includes an insertion nozzle, having a distal insertion channel; an IOL-folding stage, proximal to the insertion nozzle, having a proximal insertion channel; and an IOL-guiding structure.Type: GrantFiled: February 7, 2017Date of Patent: August 10, 2021Assignee: RxSight, Inc.Inventors: Hoang Nguyen, Ilya Goldshleger
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Patent number: 11013593Abstract: A Light Adjustable Lens (LAL) Tracker comprises an Imaging System, for creating a LAL image by imaging a LAL implanted into an eye; and an Image Recognition System, coupled to the Imaging System, for determining a disk cross-correlator with the LAL image; determining an edge cross-correlator with the LAL image; and determining a LAL position by determining a combined cross-correlator from the disk cross-correlator and the edge cross-correlator. A Tracking-based Illumination Control System comprises the LAL Tracker for tracking a LAL implanted in an eye, including an Imaging System, and an Image Recognition System; and an Illumination Controller, coupled to the LAL Tracker, configured for determining a LAL misalignment factor, corresponding to a LAL misalignment that characterizes a misalignment of the LAL position with a LAL illumination pattern, and generating an illumination control signal in relation to the determined LAL misalignment factor.Type: GrantFiled: December 2, 2018Date of Patent: May 25, 2021Assignee: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger, Ronald M. Kurtz
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Publication number: 20210113328Abstract: Embodiments of a modulable absorption light adjustable lens (MALAL) comprise a light adjustable lens that is capable of changing its optical properties upon an adjusting irradiation, including a photo-modifiable material; and a modulable absorption front protection layer, including a modulable absorption compound whose absorption properties can be modulated with a modulating stimulus. Other embodiments include a method of adjusting an optical property of a modulable absorption light adjustable lens, the method comprising: reducing an absorption of a modulable absorption compound of a modulable absorption front protection layer of the MALAL by a modulating stimulus, the MALAL having been previously implanted into an eye; and changing an optical property of a light adjustable lens of the MALAL by applying an adjusting irradiation.Type: ApplicationFiled: October 20, 2019Publication date: April 22, 2021Applicant: RxSight, Inc.Inventors: Ilya Goldshleger, John Kondis, Ritu Shrestha
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Patent number: 10966819Abstract: A composite light adjustable intraocular lens, can include an intraocular lens (IOL), a light adjustable lens, attached to the intraocular lens, and haptics. In some cases, a composite light adjustable intraocular lens can include an intraocular lens, and haptics, attached to the IOL with light-adjustable hinges. A method of adjusting an implanted composite light adjustable intraocular lens can include planning a targeted optical outcome of an implantation of the composite light adjustable intraocular lens into an eye; implanting, the composite light adjustable intraocular lens into the eye; performing a diagnostic measurement to evaluate an implanted optical outcome of the implantation; determining a correction based on a comparison of the planned optical outcome and the implanted optical outcome; and applying a stimulus to adjust an optical characteristic of the composite light adjustable intraocular lens to induce the determined correction.Type: GrantFiled: May 29, 2017Date of Patent: April 6, 2021Assignee: RxSight, Inc.Inventors: Ilya Goldshleger, John Kondis, Ronald M. Kurtz, Ritu Shrestha, Gergely T. Zimanyi
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Patent number: 10932864Abstract: A Light Adjustable Lens (LAL) Tracker comprises an Imaging System, for creating a LAL image by imaging a LAL implanted into an eye; and an Image Recognition System, coupled to the Imaging System, for determining a disk cross-correlator with the LAL image; determining an edge cross-correlator with the LAL image; and determining a LAL position by determining a combined cross-correlator from the disk cross-correlator and the edge cross-correlator. A Tracking-based Illumination Control System comprises the LAL Tracker for tracking a LAL implanted in an eye, including an Imaging System, and an Image Recognition System; and an Illumination Controller, coupled to the LAL Tracker, configured for determining a LAL misalignment factor, corresponding to a LAL misalignment that characterizes a misalignment of the LAL position with a LAL illumination pattern, and generating an illumination control signal in relation to the determined LAL misalignment factor.Type: GrantFiled: November 28, 2018Date of Patent: March 2, 2021Assignee: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger, Ronald M. Kurtz
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Patent number: 10874505Abstract: In general, the present invention relates to optical elements, which can be modified post-manufacture such that different versions of the element will have different optical properties. In particular, the present invention relates to lenses, such as intraocular lenses, which can be converted into aspheric lenses post-fabrication. Also, the present invention relates to a method for forming aspheric lenses post-fabrication.Type: GrantFiled: June 4, 2012Date of Patent: December 29, 2020Assignee: RxSight, Inc.Inventors: Christian A. Sandstedt, Pablo Artal, Eloy Angel
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Patent number: 10864075Abstract: An ophthalmic visualization system includes a rear illumination system, to generate and to project a rear illumination light onto a retina of an eye that has an intraocular lens (IOL) implanted into the eye, so that the rear illumination light reflects from the retina as a reflected illumination light, wherein a central portion of the reflected illumination light propagates through the IOL to form an IOL-focused illumination light, and a peripheral portion of the reflected illumination light propagates around the IOL to form a peripheral illumination light; an optic, to receive the IOL-focused illumination light and the peripheral illumination light from the eye, and to transmit the received illumination lights; an aperture slop, to stop the transmitted peripheral illumination light, and to allow the IOL-focused illumination light to pass through; and an imaging system, to form an isolated IOL image based on the transmitted IOL-focused illumination light.Type: GrantFiled: December 31, 2017Date of Patent: December 15, 2020Assignee: RxSight, Inc.Inventor: John Kondis
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Publication number: 20200292834Abstract: A light adjustable lens illumination system comprises an illumination source, for generating a light beam; a light delivery system, for projecting the light beam onto a Light Adjustable Lens (LAL), implanted into an eye, wherein a fraction of the light beam propagates past the LAL to a retina of the eye; and a protective beam-shaper, for shaping the light beam to have an intensity pattern with a relative central intensity reduction that varies along an axis; wherein the relative central intensity reduction at the retina is greater than the relative central intensity reduction at a LAL plane.Type: ApplicationFiled: March 14, 2019Publication date: September 17, 2020Applicant: RxSight, Inc.Inventors: John Kondis, Robert Maloney, llya Goldshleger, Matt Haller, Christian A. Sandstedt
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Publication number: 20200205656Abstract: An ophthalmic system comprises a Refraction Modification System for modifying a refraction of an eye, in response to refraction modification parameters; and a Prescription Engine, for generating the refraction modification parameters for the Refraction Modification System by a Prescription Algorithm that combines one or more diagnostic factor, determined by an ophthalmic diagnostic device, and one or more patient factor.Type: ApplicationFiled: December 31, 2018Publication date: July 2, 2020Applicant: RxSight, Inc.Inventors: Matt Haller, Ronald M. Kurtz, Gergely T. Zimanyi
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Publication number: 20200170785Abstract: A Light Adjustable Lens (LAL) Tracker comprises an Imaging System, for creating a LAL image by imaging a LAL implanted into an eye; and an Image Recognition System, coupled to the Imaging System, for determining a disk cross-correlator with the LAL image; determining an edge cross-correlator with the LAL image; and determining a LAL position by determining a combined cross-correlator from the disk cross-correlator and the edge cross-correlator. A Tracking-based Illumination Control System comprises the LAL Tracker for tracking a LAL implanted in an eye, including an Imaging System, and an Image Recognition System; and an Illumination Controller, coupled to the LAL Tracker, configured for determining a LAL misalignment factor, corresponding to a LAL misalignment that characterizes a misalignment of the LAL position with a LAL illumination pattern, and generating an illumination control signal in relation to the determined LAL misalignment factor.Type: ApplicationFiled: December 2, 2018Publication date: June 4, 2020Applicant: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger, Ronald M. Kurtz
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Publication number: 20200163724Abstract: A Light Adjustable Lens (LAL) Tracker comprises an Imaging System, for creating a LAL image by imaging a LAL implanted into an eye; and an Image Recognition System, coupled to the Imaging System, for determining a disk cross-correlator with the LAL image; determining an edge cross-correlator with the LAL image; and determining a LAL position by determining a combined cross-correlator from the disk cross-correlator and the edge cross-correlator. A Tracking-based Illumination Control System comprises the LAL Tracker for tracking a LAL implanted in an eye, including an Imaging System, and an Image Recognition System; and an Illumination Controller, coupled to the LAL Tracker, configured for determining a LAL misalignment factor, corresponding to a LAL misalignment that characterizes a misalignment of the LAL position with a LAL illumination pattern, and generating an illumination control signal in relation to the determined LAL misalignment factor.Type: ApplicationFiled: November 28, 2018Publication date: May 28, 2020Applicant: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger, Ronald M. Kurtz
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Patent number: 10470874Abstract: The invention relates to novel optical elements having improved UV protection. The optical element comprises a light adjustable optical element with a UV absorbent layer applied to at least one surface of the optical element. The invention is particularly useful in light adjustable intraocular lenses.Type: GrantFiled: July 20, 2015Date of Patent: November 12, 2019Assignee: RxSight, Inc.Inventors: Robert H. Grubbs, Shiao H. Chang
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Patent number: 10456240Abstract: In embodiments, a light adjustable lens irradiation system for a light adjustable lens irradiation system, comprises an irradiation light source, for generating a UV light beam; an optical system, for directing the UV light beam towards a light adjustable intraocular lens, implanted into an eye of a patient; and a patient interface, coupled to the optical system, for stabilizing the eye relative to the optical system, to achieve an alignment of the light adjustable intraocular lens and the UV light beam.Type: GrantFiled: November 24, 2017Date of Patent: October 29, 2019Assignee: RxSight, Inc.Inventors: John Kondis, Ilya Goldshleger
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Patent number: 10433951Abstract: A color-apodized intraocular lens includes a lens center, with a center-transmittance to transmit an incident light; a lens annul us, surrounding the lens center, configured to selectively attenuate the incident light according to a radius- and wavelength-dependent annulus-transmittance, wherein the annulus-transmittance is less than the center-transmittance, in a short wavelength spectral range; and haptics, extending from the lens annulus.Type: GrantFiled: May 22, 2017Date of Patent: October 8, 2019Assignee: RxSight, Inc.Inventors: Matt Haller, Christian A. Sandstedt, Robert H. Grubbs