GENERATING BUBBLE JETS TO FRAGMENT AND REMOVE EYE FLOATERS

    公开(公告)号:US20230157879A1

    公开(公告)日:2023-05-25

    申请号:US18049215

    申请日:2022-10-24

    Applicant: Alcon Inc.

    CPC classification number: A61F9/008 A61B2017/22007 A61F2009/00874

    Abstract: In certain embodiments, an ophthalmic laser system for treating a floater in a vitreous of an eye includes a laser device that directs laser pulses towards the floater to yield cavitation bubbles that create a bubble jet to treat the floater. In some examples, the laser device includes a beam multiplexer that splits a laser beam into multiple beams that form the cavitation bubbles that create the bubble jet. In some examples, the laser device directs laser pulses towards the floater according to a pulse pattern that forms the cavitation bubbles that create the bubble jet.

    MULTIPLEXING A LASER BEAM TO FRAGMENT EYE FLOATERS

    公开(公告)号:US20230157877A1

    公开(公告)日:2023-05-25

    申请号:US17937974

    申请日:2022-10-04

    Applicant: Alcon Inc.

    Inventor: Zsolt Bor

    CPC classification number: A61F9/008 A61B2017/00154

    Abstract: In certain embodiments, an ophthalmic laser system includes a laser device, an ophthalmic microscope, and a controller. The laser device directs laser pulses towards a target within an eye. The target has a dimension. The laser device includes a laser configured to generate a laser beam and one or more laser beam multiplexers. A laser beam multiplexer modulates the laser beam to yield a pulse pattern of laser pulses. The pulse pattern has a coverage related to the dimension of the target to limit movement of the target. The ophthalmic microscope gathers light reflected from within the eye to yield an image of the eye. The controller instructs the laser device to direct the laser pulses towards the target to yield the pulse pattern of laser pulses.

    IMAGING A TARGET WITHIN AN EYE AND CALIBRATING IMAGING DEVICES

    公开(公告)号:US20230157537A1

    公开(公告)日:2023-05-25

    申请号:US18049963

    申请日:2022-10-26

    Applicant: Alcon Inc.

    CPC classification number: A61B3/102 A61B3/14 A61B5/0066

    Abstract: In certain embodiments, an ophthalmic laser surgical system for imaging and treating a target in an eye includes an imaging system with an optical coherence tomography (OCT) device that directs an OCT imaging beam along an imaging beam path towards the target in the eye, and generates OCT images from the OCT imaging beam reflected from the eye. The beam combining and alignment device aligns the OCT imaging beam and the laser beam. The laser-OCT xy-scanner: receives the OCT imaging beam from the imaging system, directs the OCT imaging beam along the imaging beam path towards the eye, and scans the OCT imaging beam in an xy-plane in the eye; and receives the laser beam from the laser device, directs the laser beam along the laser beam path aligned with the imaging beam path towards the eye, and scans the laser beam in the xy-plane in the eye.

    SYSTEMS AND METHODS FOR ABLATING OPHTHALMIC TISSUE

    公开(公告)号:US20220202615A1

    公开(公告)日:2022-06-30

    申请号:US17644810

    申请日:2021-12-17

    Applicant: Alcon Inc.

    Abstract: In certain embodiments, an ophthalmic surgical system for ablating tissue of an eye comprises controllable components (such as a light source and a scanner), optical elements, and a computer. The light source generates a light beam comprising pulses, where a propagation direction of the light beam defines a z-axis. The scanner directs a focal point of the light beam in an xy-plane orthogonal to the z-axis. The optical elements shape and focus the focal point of the light beam at a treatment region of the eye. The computer instructs one or more of the controllable components to generate the light beam comprising the pulses, where each pulse has a fluence greater than 1 J/cm2. An optical element of the optical elements focuses the focal point of the light beam with a spot size of less than 0.4 mm at the treatment region according to a focal spot pattern.

    ILLUMINATION SYSTEM AND METHOD FOR OPHTHALMIC SURGICAL MICROSCOPES

    公开(公告)号:US20220075167A1

    公开(公告)日:2022-03-10

    申请号:US17405889

    申请日:2021-08-18

    Applicant: Alcon Inc.

    Inventor: Zsolt Bor

    Abstract: The disclosure provides an ophthalmic surgical microscope including an optical axis. The ophthalmic surgical microscope also includes at least one light source configured to provide illumination having a wavelength range between 575 nm and 625 nm. The ophthalmic surgical microscope further includes a control device for directing the illumination at an acute angle relative to the optical axis of the microscope.

    SYSTEMS AND METHODS FOR INTRAOCULAR LENS SELECTION

    公开(公告)号:US20210000542A1

    公开(公告)日:2021-01-07

    申请号:US17023348

    申请日:2020-09-16

    Applicant: Alcon Inc.

    Abstract: Systems and methods for intraocular lens selection include receiving, by one or more computing devices implementing a prediction engine, pre-operative multi-dimensional images of an eye; extracting, by the prediction engine, pre-operative measurements of the eye based on the pre-operative images; estimating, by the prediction engine using a prediction model based on a machine learning strategy, a post-operative position of an intraocular lens based on the extracted pre-operative measurements; selecting a power of the intraocular lens based on the estimated post-operative position of the intraocular lens; and selecting the intraocular lens based on the selected power. In some embodiments, the systems and methods further include receiving post-operative multi-dimensional images of the eye after implantation of the selected intraocular lens, extracting post-operative measurements of the eye, and updating the prediction model based on the pre-operative measurements and the post-operative measurements.

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