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Ray Steven Spratt

Carl Zeiss AG

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Publication

Featured researches published by Ray Steven Spratt.

Archive | 2012

Wavefront optimized progressive lens

Ray Steven Spratt; Darryl Meister; Timo Kratzer

Archive | 2010

Multi-focal lenses with segmented boundaries

Ray Steven Spratt; Darryl Meister; Wolf Krause

Archive | 2011

METHOD FOR OPTIMIZING A SPECTACLE LENS FOR THE WAVEFRONT ABERRATIONS OF AN EYE AND LENS

Darryl Meister; Timo Kratzer; Jesús Miguel Cabeza Guillén; Ray Steven Spratt; Markus Welscher; Gerhard Kelch; Helmut Wietschorke

Archive | 2010

METHOD AND APPARATUS FOR SUBJECTIVE REFRACTION

Ray Steven Spratt

Archive | 2013

Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens

Konrad Saur; Paraic Begley; Ray Steven Spratt; Timo Kratzer

Archive | 2003

Method of making wide field spherical lenses and protective eyewear

Michael Alan Morris; Colin Maurice Port Ludlow Perrott; Simon J. Edwards; Ray Steven Spratt

Archive | 2015

Method for reducing the thickness of a lens shape and uncut lens blank

Ray Steven Spratt; Timo Kratzer; Philipp Ellinger

Archive | 2015

METHOD FOR REDUCING THE THICKNESS OF A LENS SHAPE

Ray Steven Spratt; Timo Kratzer; Philipp Ellinger

Archive | 2013

Method and system for determining an eyeglass prescription

Ray Steven Spratt; Timo Kratzer

Archive | 2017

METHOD FOR DESIGNING A LENS SHAPE AND SPECTACLE LENS

Ray Steven Spratt; Philipp Ellinger; Helmut Wietschorke; Angela Nolan; Saulius R. Varnas

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Collaboration

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Timo Kratzer

Carl Zeiss AG

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Darryl Meister

Carl Zeiss AG

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Philipp Ellinger

Carl Zeiss AG

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Helmut Wietschorke

Carl Zeiss AG

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Wolf Krause

Carl Zeiss AG

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Angela Nolan

Carl Zeiss AG

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Colin Maurice Port Ludlow Perrott

Carl Zeiss AG

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Gerhard Kelch

Carl Zeiss AG

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Jesús Miguel Cabeza Guillén

Carl Zeiss AG

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Jesús-Miguel Cabeza-Guillén

Carl Zeiss AG

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