Patents by Inventor Sissimos Lemonis
Sissimos Lemonis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230355440Abstract: A system for generating an ophthalmic nomogram for treating an eye includes a computer. The computer stores post-operation refraction data. The post-operation refraction data comprises notations that comprise a sphere and a cylinder and describe a post-operation correction. The computer creates a nomogram data set comprising selected spheres by performing the following for each notation: if the notation is expressed as a plus notation, determine a minus notation corresponding to the plus notation; if the notation is expressed as a minus notation, determine a plus notation corresponding to the minus notation; identify whether the plus notation or the minus notation has a lower absolute sphere; designate the lower absolute sphere of the identified notation as a candidate sphere; and determine whether to designate the candidate sphere as a selected sphere. The computer program calculates the ophthalmic nomogram from the selected spheres.Type: ApplicationFiled: April 18, 2023Publication date: November 9, 2023Inventor: Sissimos Lemonis
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Patent number: 11147710Abstract: A method for to calculation of actual astigmatism correction and nomographs for corneal laser treatment includes performing a post-operative measurement of the cornea of a patient to determine actual astigmatism coefficients. The actual astigmatism coefficients are compared against the expected astigmatism coefficients to generate a nomograph value or a nomograph curve over a sample population. The nomograph is used to calibrate subsequent laser treatments for improved accuracy of clinical results.Type: GrantFiled: February 10, 2017Date of Patent: October 19, 2021Assignee: Alcon Inc.Inventor: Sissimos Lemonis
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Patent number: 10869780Abstract: A method for determining spherical aberration parameters for a corneal laser treatment to treat presbyopia may include performing pupillometry to measure various actual pupil diameters of a patient from a photopic diameter to a mesopic diameter. An actual pupil center of the patient may also be measured. The measured pupil diameters and the pupil center may be used to customize the spherical aberration parameters to the eye of the patient for improved ocular results after treatment.Type: GrantFiled: February 10, 2017Date of Patent: December 22, 2020Inventor: Sissimos Lemonis
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Patent number: 10835420Abstract: The present disclosure relates to systems and methods for marking an undeformed cornea with a mark to allow later detection of a selected location on the cornea after deformation and to systems of methods for performing vision correction surgery based on the mark.Type: GrantFiled: August 7, 2015Date of Patent: November 17, 2020Assignee: Alcon Inc.Inventors: Sissimos Lemonis, Joerg Klenke
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Patent number: 10736781Abstract: In certain embodiments, a device comprises a laser device and a control computer. The laser device directs a laser beam with laser energy through an outer portion of an eye to a target portion of the eye. The control computer receives an optical density measurement of the outer portion, determines the laser energy according to the optical density measurement, and instructs the laser device to direct the laser beam with the laser energy through the outer portion of the eye to the target portion of the eye.Type: GrantFiled: January 18, 2012Date of Patent: August 11, 2020Assignee: Alcon Inc.Inventors: Sissimos Lemonis, Stefan Wendl
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Publication number: 20200085621Abstract: A method for to calculation of actual astigmatism correction and nomographs for corneal laser treatment includes performing a post-operative measurement of the cornea of a patient to determine actual astigmatism coefficients. The actual astigmatism coefficients are compared against the expected astigmatism coefficients to generate a nomograph value or a nomograph curve over a sample population. The nomograph is used to calibrate subsequent laser treatments for improved accuracy of clinical results.Type: ApplicationFiled: February 10, 2017Publication date: March 19, 2020Inventor: Sissimos Lemonis
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Publication number: 20200022838Abstract: A method for determining spherical aberration parameters for a corneal laser treatment to treat presbyopia may include performing pupillometry to measure various actual pupil diameters of a patient from a photopic diameter to a mesopic diameter. An actual pupil center of the patient may also be measured. The measured pupil diameters and the pupil center may be used to customize the spherical aberration parameters to the eye of the patient for improved ocular results after treatment.Type: ApplicationFiled: February 10, 2017Publication date: January 23, 2020Inventor: Sissimos Lemonis
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Patent number: 10507136Abstract: An ophthalmic laser processing apparatus comprises: a laser device that outputs a pulsed laser beam towards an eye; an image capturing device that captures an image of the eye and provides image data; and a control device that detects eye movement based on the image data and controls the beam focus based on a predetermined eye processing pattern and the eye movement. The apparatus further comprises a visualization device controlled by the control device to output a visualization of a graphical illustration. The graphical illustration represents at least one of (a) a value of an eye parameter determined on the basis of the image data; (b) a frequency distribution of a value of an eye parameter determined on the basis of the image data; and (c) a range of values of a pupil diameter determined on the basis of the image data.Type: GrantFiled: November 20, 2014Date of Patent: December 17, 2019Assignee: Novartis AGInventors: Sissimos Lemonis, Peter Riedel, Mario Abraham
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Patent number: 10314747Abstract: In certain embodiments, a device comprises a laser device and a control computer. The laser device directs a laser beam with laser energy through an outer portion of an eye to a target portion of the eye. The control computer receives an optical density measurement of the outer portion, determines the laser energy according to the optical density measurement, and instructs the laser device to direct the laser beam with the laser energy through the outer portion of the eye to the target portion of the eye.Type: GrantFiled: July 26, 2017Date of Patent: June 11, 2019Assignee: Wavelight GmbHInventors: Sissimos Lemonis, Stefan Wendl
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Patent number: 10238539Abstract: A technique for controlling a corneal ablation laser is described. As to a device aspect of the technique, a device comprises a parameter interface, a first determination unit, a second determination unit, a computation unit, and a control unit. The parameter interface receives an adjustment parameter. The first determination unit determines a first point on a corneal surface. The second determination unit determines a second point on the corneal surface that is different from the first point. The computation unit determines a third point on a line between the first point and the second point according to the adjustment parameter. The computation unit further generates a control program that centers an ablation profile on the third point. The control unit controls the corneal ablation laser according to the control program.Type: GrantFiled: April 20, 2012Date of Patent: March 26, 2019Assignee: Wavelight GmbHInventors: Sissimos Lemonis, Alexander Kempe, Mario Abraham, Peter Riedel
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Patent number: 10086470Abstract: A method for energy calibration of a pulsed cutting laser for eye surgery comprises irradiating a sample material with a plurality of sets of laser pulses of the cutting laser with pulse energies differing from set to set. This method also comprises analyzing at least one visually perceptible discoloration structure created in the sample material as a result of the irradiation, selecting the pulse energy of one of the sets based on the analysis, and setting a treatment pulse energy for the cutting laser based on the selected energy.Type: GrantFiled: March 25, 2016Date of Patent: October 2, 2018Assignee: Wavelight GmbHInventor: Sissimos Lemonis
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Publication number: 20180200111Abstract: The present disclosure relates to systems and methods for marking an undeformed cornea with a mark to allow later detection of a selected location on the cornea after deformation and to systems of methods for performing vision correction surgery based on the mark.Type: ApplicationFiled: August 7, 2015Publication date: July 19, 2018Inventors: Sissimos Lemonis, Joerg Klenke
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Patent number: 9936866Abstract: According to certain embodiments, a system comprises one or more memories and one or more processors. The one or more memories store optical data from an optical recorder comprising at least two optical data sets by: receiving a first optical data set of an eye with a pupil having a first pupil size; and receiving a second optical data set of the eye with the pupil having a second pupil size. The one or more processors determine a pseudo-rotation related to a pupil size change, receive a measured cyclotorsion, calculate an actual cyclotorsion from the measured cyclotorsion and the pseudo-rotation, and adjust a laser treatment according to the actual cyclotorsion.Type: GrantFiled: September 24, 2013Date of Patent: April 10, 2018Assignee: Novartis AGInventors: Sissimos Lemonis, Mario Abraham
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Patent number: 9895059Abstract: The present disclosure generally relates to a technique for centering an application field for an ophthalmic device or a method. More specifically, and without limitation, the disclosure relates to a device and a method for centering an application field relative to the cornea of a human eye responsive to movement of the eye tracked in real-time during the ophthalmic application based on a pupil center. An ophthalmic device or method allows performing one or more procedures with respect to an eye of a patient, such as a surgical, therapeutic and diagnostic procedure, e.g., including and not limited to Laser-Assisted in-situ Keratomileusis (LASIK), Epi-LASIK, PRK, lenticule extraction or keratoplasty.Type: GrantFiled: October 18, 2013Date of Patent: February 20, 2018Assignee: WaveLight GmbHInventors: Sissimos Lemonis, Mario Abraham
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Publication number: 20170319388Abstract: In certain embodiments, a device comprises a laser device and a control computer. The laser device directs a laser beam with laser energy through an outer portion of an eye to a target portion of the eye. The control computer receives an optical density measurement of the outer portion, determines the laser energy according to the optical density measurement, and instructs the laser device to direct the laser beam with the laser energy through the outer portion of the eye to the target portion of the eye.Type: ApplicationFiled: July 26, 2017Publication date: November 9, 2017Inventors: Sissimos Lemonis, Stefan Wendl
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Publication number: 20170281406Abstract: An ophthalmic laser processing apparatus comprises: a laser device that outputs a pulsed laser beam towards an eye; an image capturing device that captures an image of the eye and provides image data; and a control device that detects eye movement based on the image data and controls the beam focus based on a predetermined eye processing pattern and the eye movement. The apparatus further comprises a visualization device controlled by the control device to output a visualization of a graphical illustration. The graphical illustration represents at least one of (a) a value of an eye parameter determined on the basis of the image data; (b) a frequency distribution of a value of an eye parameter determined on the basis of the image data data; and (c) a range of values of a pupil diameter determined on the basis of the image data.Type: ApplicationFiled: November 20, 2014Publication date: October 5, 2017Inventors: Sissimos LEMONIS, Peter RIEDEL, Mario ABRAHAM
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Publication number: 20160325375Abstract: A method for energy calibration of a pulsed cutting laser for eye surgery comprises irradiating a sample material with a plurality of sets of laser pulses of the cutting laser with pulse energies differing from set to set. This method also comprises analyzing at least one visually perceptible discoloration structure created in the sample material as a result of the irradiation, selecting the pulse energy of one of the sets based on the analysis, and setting a treatment pulse energy for the cutting laser based on the selected energy.Type: ApplicationFiled: March 25, 2016Publication date: November 10, 2016Inventor: Sissimos Lemonis
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Publication number: 20160270654Abstract: The present disclosure generally relates to a technique for centering an application field for an ophthalmic device or a method. More specifically, and without limitation, the disclosure relates to a device and a method for centering an application field relative to the cornea of a human eye responsive to movement of the eye tracked in real-time during the ophthalmic application based on a pupil center. An ophthalmic device or method allows performing one or more procedures with respect to an eye of a patient, such as a surgical, therapeutic and diagnostic procedure, e.g., including and not limited to Laser-Assisted in-situ Keratomileusis (LASIK), Epi-LASIK, PRK, lenticule extraction or keratoplasty.Type: ApplicationFiled: October 18, 2013Publication date: September 22, 2016Inventors: Sissimos Lemonis, Mario Abraham
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Publication number: 20150202085Abstract: In certain embodiments, a device comprises a laser device and a control computer. The laser device directs a laser beam with laser energy through an outer portion of an eye to a target portion of the eye. The control computer receives an optical density measurement of the outer portion, determines the laser energy according to the optical density measurement, and instructs the laser device to direct the laser beam with the laser energy through the outer portion of the eye to the target portion of the eye.Type: ApplicationFiled: January 18, 2012Publication date: July 23, 2015Applicant: WAVELIGHT GMBHInventors: Sissimos Lemonis, Stefan Wendl
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Patent number: RE47550Abstract: An apparatus and a method for refractive surgery, in particular LASIK, make provision whereby the apex of the cornea is taken as a basis, as the ablation center, for the refractive procedure. For this purpose, the dependence of the position of the apex on properties of the pupil is determined in the case of the eye to be treated and, from this dependence, measured properties of the pupil are used to calculate the position of the ablation center during the refractive surgery.Type: GrantFiled: February 2, 2018Date of Patent: August 6, 2019Assignee: WAVELIGHT GMBHInventor: Sissimos Lemonis