SPECTACLE LENS AND METHOD FOR GENERATING DESIGN DATA FOR A SPECTACLE LENS

Provided is a computer-implemented method for generating design data for a spectacle lens suitable for the purpose of a use of the design data for manufacturing the spectacle lens having a prescribed power and an edge contour fitted to an predefined spectacle frame. The method comprises providing pr...

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Bibliographische Detailangaben
Hauptverfasser:	REESE, Martin, GLÖGE, Thomas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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Beschreibung
Zusammenfassung:	Provided is a computer-implemented method for generating design data for a spectacle lens suitable for the purpose of a use of the design data for manufacturing the spectacle lens having a prescribed power and an edge contour fitted to an predefined spectacle frame. The method comprises providing prescription information regarding the prescribed power for the spectacle lens and geometrical information regarding the predefined spectacle frame. Moreover, the method comprises optimizing a geometrical profile of at least one surface of the spectacle lens;characterized in that the method further comprises- optimizing a spatial variation of a refractive index of the spectacle lens;wherein the optimizing the geometrical profile of at least one surface of the spectacle lens and the optimizing the spatial variation of the refractive index of the spectacle lens are carried out such that an optical power of the spectacle lens corresponds to the prescribed power and an edge thickness of an edge contour of the spectacle lens fitted to the geometrical information regarding the predefined spectacle frame varies by 0,5 mm or less over the edge contour.