INTELLIGENT CORNEAL PROCEDURE ADVISOR
    3.
    发明公开

    公开(公告)号:US20240082059A1

    公开(公告)日:2024-03-14

    申请号:US18223397

    申请日:2023-07-18

    申请人: Mark Lobanoff

    发明人: Mark Lobanoff

    摘要: Generation of treatment recommendations for topographic-based excimer laser surgical procedures is described that includes generating accurate cylinder compensation and spherical compensation values that are adjusted to compensate for unique characteristics of topographic-based excimer laser surgical systems. Generating treatment recommendations generally includes determining a topographic vector, a posterior astigmatism vector and an anterior astigmatism vector, and generating an internal astigmatism vector using the topographic vector, the posterior astigmatism vector, the anterior astigmatism vector, and a manifest astigmatism vector. In embodiments, the cylinder compensation is generated using multiple vectors while subtracting the internal astigmatism vector and the posterior astigmatism vector which remain in the eye after treatment, and the spherical compensation is generated using an initial spherical compensation modified by addback modifiers and a regression analysis nomogram. In procedures where the corneal epithelium is removed, an epithelial refractive vector is determined from an epithelial thickness/topography map and added to the other vectors.

    INTELLIGENT TOPOGRAPHIC CORNEAL PROCEDURE ADVISOR

    公开(公告)号:US20240041653A1

    公开(公告)日:2024-02-08

    申请号:US18124874

    申请日:2023-03-22

    申请人: Mark Lobanoff

    发明人: Mark Lobanoff

    摘要: Generation of treatment recommendations for topographic-based excimer laser surgical procedures is described that includes generating accurate cylinder compensation and spherical compensation values that are adjusted to compensate for unique characteristics of advanced topographic-based excimer laser surgical systems. Generating treatment recommendations generally includes determining a topographic vector from a topographic corneal map of the eye, determining a posterior astigmatism vector and an anterior astigmatism vector for the eye, and generating an interior astigmatism vector using the topographic vector, the posterior astigmatism vector, the anterior astigmatism vector, and a manifest astigmatism vector. In various embodiments, the cylinder compensation is generated using the interior astigmatism vector and the posterior astigmatism vector, and the spherical compensation is generated using an initial spherical compensation modified by a topographic addback modifier and a cylinder addback modifier.

    Method for providing control data for an eye surgical laser of a treatment apparatus

    公开(公告)号:US11819459B2

    公开(公告)日:2023-11-21

    申请号:US17487198

    申请日:2021-09-28

    IPC分类号: A61F9/008

    摘要: A method for providing control data for an eye surgical laser of a treatment apparatus for removing tissue is disclosed. The method includes utilizing a control device for determining a corneal geometry and an ocular wavefront of a human or animal eye from predetermined examination data. A corneal wavefront is then determined from the corneal geometry using a physical model, and an internal wavefront is calculated from a difference between the ocular wavefront and the corneal wavefront. A wavefront to be achieved is calculated from a difference of a preset target wavefront and the calculated internal wavefront. A target corneal geometry is determined from the wavefront to be achieved by the physical model, and a tissue geometry to be removed is calculated from a difference of the corneal geometry and the target corneal geometry, and control data for controlling the eye surgical laser is provided.

    DEVICE AND METHOD FOR PRODUCING CONTROL DATA FOR THE SURGICAL CORRECTION OF DEFECTIVE EYE VISION

    公开(公告)号:US20190247225A1

    公开(公告)日:2019-08-15

    申请号:US16247027

    申请日:2019-01-14

    IPC分类号: A61F9/008

    摘要: A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature RCV* to determine the control data, the cornea reduced by the volume having the radius of curvature RCV* and the radius of curvature being site-specific and satisfying the following equation: RCV*(r,φ)=1/((1/RCV(r,φ))+BCOR(r,φ)/(nc-1))+F, wherein RCV(r,φ) is the local radius of curvature of the cornea before the volume is removed, nc is the refractive index of the material of the cornea, F is a coefficient, and BCOR(r,φ) is the local change in refractive force required for the desired correction of defective vision in a plane lying in the vertex of the cornea, and at least two radii r1 and r2 satisfy the equation BCOR(r=r1,φ)≠BCOR(r=r2,φ).

    OPHTHALMIC TREATMENT APPARATUS AND METHOD FOR CONTROLLING SAME

    公开(公告)号:US20180243129A1

    公开(公告)日:2018-08-30

    申请号:US15756549

    申请日:2016-08-31

    发明人: Tae Ho HA

    IPC分类号: A61F9/008 A61B3/12 A61B3/107

    摘要: The present invention relates to an ophthalmic treatment apparatus and a method for controlling same. The ophthalmic treatment apparatus according to the present invention comprises: an image unit for generating an image of the retina area of an eyeball in a horizontal direction with respect to the plane of the focal spot of a therapeutic beam directed by a beam delivery unit; a pattern unit for providing a grid pattern to the retina area so as to correspond to the curvature of the retina area generated by the image unit; and a control unit for controlling the operation of a beam generation unit and the beam delivery unit to radiate the therapeutic beam to the intersection points of the grid pattern on the basis of the grid pattern provided by the pattern unit.