Patents Assigned to Carl Zeiss Vision Inc.
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Patent number: 10437077Abstract: The present invention provides a method, a system, and a computer program code for optimizing geometry of at least one semi-finished ophthalmic lens in a set of semi-finished ophthalmic lenses having a designated lens material, each of the semi-finished ophthalmic lenses in the set having an Initially determined geometry including one of a plurality of base curves determined to allow manufacture of finished ophthalmic lenses for ophthalmic lens prescriptions.Type: GrantFiled: March 24, 2014Date of Patent: October 8, 2019Assignees: CARL ZEISS VISION INC., CARL ZEISS VISION INTERNATIONAL GMBHInventors: Andrew Woodland, Jonathan Deeds
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Patent number: 10146064Abstract: An apparatus is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device, for providing visual characteristics of the spectacle wearer, a needs providing device, for providing individual needs of the spectacle wearer, a spectacle lens type providing device, for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device, for ascertaining desired characteristics of a type of spectacle lens using the provided visual characteristics and the provided individual needs of the spectacle wearer, an assigning device, for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device, for outputting the at least one assigned type of spectacle lens.Type: GrantFiled: December 15, 2017Date of Patent: December 4, 2018Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Ireland Ltd., Carl Zeiss Vision Inc.Inventors: Konrad Saur, Paraic Begley, Ray Steven Spratt, Timo Kratzer
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Patent number: 10088691Abstract: An apparatus is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device, for providing visual characteristics of the spectacle wearer, a needs providing device, for providing individual needs of the spectacle wearer, a spectacle lens type providing device, for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device, for ascertaining desired characteristics of a type of spectacle lens using the provided visual characteristics and the provided individual needs of the spectacle wearer, an assigning device, for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device, for outputting the at least one assigned type of spectacle lens.Type: GrantFiled: January 20, 2015Date of Patent: October 2, 2018Assignees: Carl Zeiss Vision Inc., Carl Zeiss Vision International GmbH, Carl Zeiss Vision Ireland Ltd.Inventors: Konrad Saur, Paraic Begley, Ray Steven Spratt, Timo Kratzer
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Patent number: 9864212Abstract: The current invention is directed to a method, in particular a computer-implemented method, for providing a modified lens design for an uncut lens blank, in particular through the use of a non-transitory computer readable medium. Further, a method, in particular a computer-implemented method, for reducing a thickness of an original lens design of an uncut lens blank, in particular through the use of a non-transitory computer readable medium, is provided. Furthermore, a method for manufacturing an uncut lens blank and an uncut lens blank are provided.Type: GrantFiled: May 21, 2015Date of Patent: January 9, 2018Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Inc.Inventors: Ray Steven Spratt, Timo Kratzer, Philipp Ellinger
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Patent number: 9784992Abstract: The invention is directed to a method for determining an eyeglass prescription for an eye, in particular through the use of a non-transitory computer readable medium.Type: GrantFiled: August 11, 2015Date of Patent: October 10, 2017Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Inc.Inventors: Ray Steven Spratt, Timo Kratzer
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Publication number: 20170108709Abstract: The present invention provides a method, a system, and a computer program code for optimising geometry of at least one semi-finished ophthalmic lens in a set of semi-finished ophthalmic lenses having a designated lens material, each of the semi-finished ophthalmic lenses in the set having an Initially determined geometry including one of a plurality of base curves determined to allow manufacture of finished ophthalmic lenses for ophthalmic lens prescriptions.Type: ApplicationFiled: March 24, 2014Publication date: April 20, 2017Applicants: CARL ZEISS VISION INC., CARL ZEISS VISION INTERNATIONAL GMBHInventors: Andrew WOODLAND, Jonathan DEEDS
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Patent number: 9468371Abstract: Methods for determining a prescription (Rx) for a person include providing aberrometric data characterizing wavefront errors of the person's eye, the aberrometric data being obtained using an wavefront sensor and comprising one or more coefficients characterizing the wavefront errors; determining a starting Rx for the person's eye based on the one or more coefficients and on predetermined information relating aberrometric data and subjective refraction data for a plurality of people's eyes; and reporting the starting Rx to an eye care professional.Type: GrantFiled: April 10, 2014Date of Patent: October 18, 2016Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision, Inc.Inventors: Ray Steven Spratt, Timo Kratzer
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Patent number: 9170432Abstract: A lens for non-prescription eyewear includes: a first surface having a first surface shape; and a second surface opposite the first surface, the second surface having a second surface shape, wherein the first surface includes a point of maximum curvature and the shape of the first surface measured along a line on the first surface decreases by at least 1.5 diopters at a distance 15 mm in every direction from the point of maximum curvature.Type: GrantFiled: May 22, 2014Date of Patent: October 27, 2015Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Inc., Carl Zeiss Vision Italia S.P.A.Inventors: Ray Steven Spratt, Sabrina Malnati, Wolf Krause
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Patent number: 8985767Abstract: A method for designing a progressive lens is disclosed. The method includes obtaining a wavefront measurement of an eye, determining an initial design for the progressive lens based on the wavefront measurement, determining information about how changes in one or more higher order aberrations of the eye affect a second order correction for the aberrations of the eye based on information derived from the wavefront measurement, modifying the initial design of the progressive lens to provide a final progressive lens design, and outputting the final lens design.Type: GrantFiled: December 20, 2012Date of Patent: March 24, 2015Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Inc.Inventors: Ray Steven Spratt, Darryl Meister, Timo Kratzer
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Publication number: 20140253874Abstract: A lens for non-prescription eyewear includes: a first surface having a first surface shape; and a second surface opposite the first surface, the second surface having a second surface shape, wherein the first surface includes a point of maximum curvature and the shape of the first surface measured along a line on the first surface decreases by at least 1.5 diopters at a distance 15 mm in every direction from the point of maximum curvature.Type: ApplicationFiled: May 22, 2014Publication date: September 11, 2014Applicants: Carl Zeiss Vision Inc., Carl Zeiss Vision International GmbH, Carl Zeiss Vision Italia S.p.A.Inventors: Ray Steven Spratt, Sabrina Malnati, Wolf Krause
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Publication number: 20140218681Abstract: Methods for determining a prescription (Rx) for a person include providing aberrometric data characterizing wavefront errors of the person's eye, the aberrometric data being obtained using an wavefront sensor and comprising one or more coefficients characterizing the wavefront errors; determining a starting Rx for the person's eye based on the one or more coefficients and on predetermined information relating aberrometric data and subjective refraction data for a plurality of people's eyes; and reporting the starting Rx to an eye care professional.Type: ApplicationFiled: April 10, 2014Publication date: August 7, 2014Applicants: Carl Zeiss Vision Inc., Carl Zeiss Vision International GmbHInventors: Ray Steven Spratt, Timo Kratzer
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Patent number: 8777414Abstract: A method of determining an ophthalmic prescription (Rx) for a patient's eye, includes obtaining a wavefront measurement of the patient's eye; determining a first Rx for the patient's eye from the wavefront measurement, the first Rx corresponding to a maximum value of a merit function calculated from the wavefront measurement of the patient's eye for a first size of the pupil of the patient's eye; determining one or more additional Rx's of the patient's eye for one or more additional pupil sizes different from the first pupil size, wherein each additional Rx is determined for a corresponding size by calculating a value of the merit function for the previously-calculated Rx at the corresponding size and searching for an Rx at the corresponding size that provides a larger value of the merit function than the previously-calculated Rx at the corresponding size; determining a final Rx based on the first Rx and the additional Rx's; and outputting the final Rx.Type: GrantFiled: December 20, 2012Date of Patent: July 15, 2014Assignee: Carl Zeiss Vision Inc.Inventors: Ray Steven Spratt, Timo Kratzer, Jesús-Miguel Cabeza-Guillén
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Publication number: 20140078464Abstract: A method of determining an ophthalmic prescription (Rx) for a patient's eye, includes obtaining a wavefront measurement of the patient's eye; determining a first Rx for the patient's eye from the wavefront measurement, the first Rx corresponding to a maximum value of a merit function calculated from the wavefront measurement of the patient's eye for a first size of the pupil of the patient's eye; determining one or more additional Rx's of the patient's eye for one or more additional pupil sizes different from the first pupil size, wherein each additional Rx is determined for a corresponding size by calculating a value of the merit function for the previously-calculated Rx at the corresponding size and searching for an Rx at the corresponding size that provides a larger value of the merit function than the previously-calculated Rx at the corresponding size; determining a final Rx based on the first Rx and the additional Rx's; and outputting the final Rx.Type: ApplicationFiled: December 20, 2012Publication date: March 20, 2014Applicants: CARL ZEISS VISION INC.Inventors: Ray Steven Spratt, Timo Kratzer, Jesús-Miguel Cabeza-Guillén
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Publication number: 20130107204Abstract: A method for designing a progressive lens is disclosed. The method includes obtaining a wavefront measurement of an eye, determining an initial design for the progressive lens based on the wavefront measurement, determining information about how changes in one or more higher order aberrations of the eye affect a second order correction for the aberrations of the eye based on information derived from the wavefront measurement, modifying the initial design of the progressive lens to provide a final progressive lens design, and outputting the final lens design.Type: ApplicationFiled: December 20, 2012Publication date: May 2, 2013Applicants: Carl Zeiss Vision International GmbH, Carl Zeiss Vision Inc.Inventors: Carl Zeiss Vision Inc., Carl Zeiss Vision International GmbH
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Patent number: 8297751Abstract: The invention provides multi-focal segmented lenses with boundaries that include at least one blended portion and at least one sharp portion. The lenses may possess, for example, the aesthetic advantage of blended multi-segment or progressive lenses while largely retaining the functional advantage of multi-segment lenses with sharp segment boundaries.Type: GrantFiled: April 22, 2010Date of Patent: October 30, 2012Assignees: Carl Zeiss Vision Inc., Carl Zeiss Vision International GmbHInventors: Ray Steven Spratt, Darryl Meister, Wolf Krause
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Patent number: 8226238Abstract: An article for performing a subjective refraction includes a lens having a mean power that varies across the lens in a first direction and a cylindrical power that varies across the lens in a second direction, orthogonal to the first direction, wherein the mean power varies by four diopters or more and the cylindrical power varies by four diopters or more.Type: GrantFiled: February 10, 2010Date of Patent: July 24, 2012Assignee: Carl Zeiss Vision Inc.Inventor: Ray Steven Spratt
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Patent number: 8205987Abstract: The current invention is directed to a method for designing an ophthalmic lens element, the method comprising the steps of determining a wavefront aberration of an eye in a reference plane, wherein the wavefront aberration of the eye can be described by a first series of polynomials of ascending order up to a first specific order and corresponding first coefficients; determining a first vision correction of a second specific order; determining at least one specific point over an aperture of the adapted ophthalmic lens element; determining a high-order wavefront aberration in the reference plane for each specified point of the adapted ophthalmic lens element, wherein the high-order wavefront aberration can be described by a third series of polynomials of ascending order above the second specific order up to and including the first specific order and corresponding third coefficients; and determining a second vision correction of the second specific order.Type: GrantFiled: April 20, 2010Date of Patent: June 26, 2012Assignees: Carl Zeiss Vision Inc., Carl Zeiss Vision GmbHInventors: Darryl Meister, Timo Kratzer, Jesús Miguel Cabeza Guillén, Ray Steven Spratt, Markus Welscher, Gerhard Kelch, Helmut Wietschorke
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Publication number: 20110194074Abstract: An article for performing a subjective refraction includes a lens having a mean power that varies across the lens in a first direction and a cylindrical power that varies across the lens in a second direction, orthogonal to the first direction, wherein the mean power varies by four diopters or more and the cylindrical power varies by four diopters or more.Type: ApplicationFiled: February 10, 2010Publication date: August 11, 2011Applicant: CARL ZEISS VISION INC.Inventor: Steven Spratt
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Patent number: 7507358Abstract: The present invention relates to novel ophthalmic lens elements and eyewear having wide field of view, low distortion, improved astigmatism correction where required and enhanced eye protection properties. Series of lens elements have steeply curved spherical reference surfaces. The edged lenses of the series have approximately consistent aperture size, shape and hollow depth across a range of common prescriptions. Novel sunglasses, laser protective eyewear, and lens edgings, coatings and frames are included in the invention.Type: GrantFiled: November 24, 2003Date of Patent: March 24, 2009Assignee: Carl Zeiss Vision Inc.Inventors: Michael Alan Morris, Colin Maurice Perrott, Simon J. Edwards, Ray Steven Spratt