Patents by Inventor Ray Steven Spratt
Ray Steven Spratt 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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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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Publication number: 20150134473Abstract: 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: ApplicationFiled: January 20, 2015Publication date: May 14, 2015Inventors: Konrad Saur, Paraic Begley, Ray Steven Spratt, Timo Kratzer
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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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Patent number: 8434025Abstract: A method of designing and/or selecting a progressive addition lens design for a wearer is disclosed. In an embodiment, the method includes displaying a graphical representation of an initial progressive addition lens design including design parameters having design values. A user interface is provided including, for each of one or more of the design parameters, a control that is adjustable over a range of levels, each level in the range being associated with a corresponding value of the respective design parameter. A control is adjusted to select a level and the selection is processed so as to substantially simultaneously update the displayed graphical representation in accordance with the selected level to provide a modified progressive lens design. A system for designing and/or selecting a progressive addition lens design for a wearer is also disclosed.Type: GrantFiled: November 15, 2006Date of Patent: April 30, 2013Assignee: Carl Zeiss Vision Australia Holdings LimitedInventors: Scott Warren Fisher, Saulius Raymond Varnas, Philipp Ellinger, Michael Alan Morris, Ray Steven Spratt, Timo Kratzer
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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: 8210679Abstract: An array of progressive ophthalmic lens elements is disclosed. The progressive ophthalmic elements contained in the array having substantially the same addition power and substantially the same optical prescription for distance vision. Each of the progressive ophthalmic lens elements has a progressive lens design characterized by a set of parameters defining a distance zone providing a refracting power for distance vision, a near zone providing a refracting power for near vision and a corridor having a refracting power varying from that of the distance zone to that of the near zone. The progressive ophthalmic lens elements provide, for a range of values or categories of at least two lifestyle and/or biometric parameters of lens wearers, different progressive lens designs in which at least two of the lens design parameters each have a respective value or characteristic attributable to, or associated with, a particular value or category of a respective one of the lifestyle and/or biometric parameters.Type: GrantFiled: May 5, 2006Date of Patent: July 3, 2012Assignee: Carl Zeiss Vision Australia Holdings LimitedInventors: Saulius Raymond Varnas, 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: 20110261318Abstract: 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: ApplicationFiled: April 22, 2010Publication date: October 27, 2011Inventors: Ray Steven Spratt, Darryl Meister, Wolf Krause
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Publication number: 20110255052Abstract: 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; and determining a first vision correction of a second specific order to obtain an adapted ophthalmic lens element; determining at least one specified 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; determining a second vision correction of the second specific order for each ofType: ApplicationFiled: April 20, 2010Publication date: October 20, 2011Inventors: Darryl MEISTER, Timo Kratzer, Jesús Miguel Cabeza Guillén, Ray Steven Spratt, Markus Welscher, Gerhard Kelch, Helmut Wietschorke
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Patent number: 7862171Abstract: An ophthalmic lens element (100) for correcting myopia in a wearer's eye is disclosed. The lens element (100) includes a central zone (102) and a peripheral zone (104). The central zone (102) provides a first optical correction for substantially correcting myopia associated with the foveal region of the wearer's eye. The peripheral zone (104) surrounds the central zone (102) and provides a second optical correction for substantially correcting myopia or hyperopia associated with a peripheral region of the retina of the wearer's eye. A system and method for dispensing or designing an ophthalmic lens element for correcting myopia in a wearer's eye is also disclosed.Type: GrantFiled: October 12, 2006Date of Patent: January 4, 2011Assignee: Carl Zeiss Vision Australia Holdings LimitedInventors: Saulius Raymond Varnas, Scott Warren Fisher, Ray Steven Spratt
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Publication number: 20090290125Abstract: An array of progressive ophthalmic lens elements is disclosed. The progressive ophthalmic elements contained in the array having substantially the same addition power and substantially the same optical prescription for distance vision. Each of the progressive ophthalmic lens elements has a progressive lens design characterised by a set of parameters defining a distance zone providing a refracting power for distance vision, a near zone providing a refracting power for near vision and a corridor having a refracting power varying from that of the distance zone to that of the near zone. The progressive ophthalmic lens elements provide, for a range of values or categories of at least two lifestyle and/or biometric parameters of lens wearers, different progressive lens designs in which at least two of the lens design parameters each have a respective value or characteristic attributable to, or associated with, a particular value or category of a respective one of the lifestyle and/or biometric parameters.Type: ApplicationFiled: May 5, 2006Publication date: November 26, 2009Applicant: Carl Zeiss Vision Australia Holdings LimitedInventors: Saulius Raymond Varnas, Ray Steven Spratt
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Publication number: 20090257026Abstract: An ophthalmic lens element (100) for correcting myopia in a wearer's eye is disclosed. The lens element (100) includes a central zone (102) and a peripheral zone (104). The central zone (102) provides a first optical correction for substantially correcting myopia associated with the foveal region of the wearer's eye. The peripheral zone (104) surrounds the central zone (102) and provides a second optical correction for substantially correcting myopia or hyperopia associated with a peripheral region of the retina of the wearer's eye. A system and method for dispensing or designing an ophthalmic lens element for correcting myopia in a wearer's eye is also disclosed.Type: ApplicationFiled: October 12, 2006Publication date: October 15, 2009Applicant: Carl Zeiss Vision Australia Holdings LimitedInventors: Saulius Raymond Varnas, Scott Warren Fisher, Ray 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
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Publication number: 20080282183Abstract: A method of designing and/or selecting a progressive addition lens design for a wearer is disclosed. In an embodiment, the method includes displaying a graphical representation of an initial progressive addition lens design including design parameters having design values. A user interface is provided including, for each of one or more of the design parameters, a control that is adjustable over a range of levels, each level in the range being associated with a corresponding value of the respective design parameter. A control is adjusted to select a level and the selection is processed so as to substantially simultaneously update the displayed graphical representation in accordance with the selected level to provide a modified progressive lens design. A system for designing and/or selecting a progressive addition lens design for a wearer is also disclosed.Type: ApplicationFiled: November 15, 2006Publication date: November 13, 2008Applicant: CARL ZEISS VISION AUSTRALIA HOLDINGS LIMITEDInventors: Scott Warren Fisher, Saulius Raymond Varnas, Philipp Ellinger, Michael Alan Morris, Ray Steven Spratt, Timo Kratzer
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Patent number: 7344245Abstract: A method and system for designing a progressive lens is disclosed. The method includes modifying a reference progressive lens design having a peripheral design which is suitable for a wearer and design features with known values. The modification of the reference progressive lens design provides a new progressive lens design in which at least one of the design features have been customized according to the wearer's preference. The new progressive lens design has substantially the same peripheral design as the reference progressive lens design.Type: GrantFiled: May 19, 2005Date of Patent: March 18, 2008Assignee: Carl Zeiss Vision Austraila Holdings LtdInventors: Scott Warren Fisher, Saulius Raymond Varnas, Ray Steven Spratt