Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Helmut Wietschorke0
Date of Patent
April 23, 2013
0Patent Application Number
130222450
Date Filed
February 7, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lens element for progressive spectacles. The lens element has at least one near viewing zone and a distance viewing zone which have different focusing powers. Further, the lens element has a predetermined prismatic power. Furthermore, a vertical component of the predetermined prismatic power is realized at a first point of the lens element, and a horizontal component of the predetermined prismatic power is realized at a second point of the lens element. The present invention also relates to a method for producing a lens element.
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