Apparatus and method for demonstrating the visual impression for a wearer of spectacles having polarizing spectacle lenses

US10325521B2 · kind B2 · utility

Assignees

• Carl Zeiss Vision International GmbH · DE
• Carl Zeiss AG · DE

Inventors

• Peter Pacher · Leoben, AT
• Dieter Braunger · Oberkochen, DE

Key dates

• Filing date: Mar 29, 2015
• Grant date: Jun 18, 2019
• Expiry date: Dec 23, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G02C7/12
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The invention is directed to an apparatus for demonstrating the visual impression for a wearer of spectacles having polarizing spectacle lenses. The apparatus includes a memory for providing a first image having a motif and a first polarization direction corresponding thereto and a second image having the same motif and a second polarization direction corresponding thereto, which is different from the first polarization direction. The apparatus also includes a display device for displaying the first image with light polarized in the first polarization direction and the second image with light polarized in the second polarization direction in a superposed representation, such that the motif of the first image and the motif of the second image coincide dimensionally identically. The invention is also directed to a method for demonstrating the visual impression for a wearer of spectacles having polarizing spectacle lenses.