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Title:
ADJUSTABLE PROGRESSIVE LENS AND DESIGN METHOD
Document Type and Number:
WIPO Patent Application WO/2018/195104
Kind Code:
A8
Abstract:
The present invention relates to an adjustable spectacle lens (1) comprising a first lens element (3) and a second lens element (4) arranged one behind the other along an optical axis (10) of the lens; wherein the first lens element (3) and the second lens element (4) are configured to vary their combined optical properties when moved relative to each other in a direction transverse to the optical axis (10); and wherein the adjustable lens element (1) is an adjustable progressive lens element. The first lens element (3) and the second lens element (4) are configured to vary at least one of a size and an add power of the near portion (6), the distance portion (7), and the intermediate portion (8) relative to each other, when the first lens element (3) and the second lens element (4) are moved relative to each other in the direction transverse to the optical axis (10). The first lens element (3) and the second lens element (4) can be configured to work together to provide a near portion (6), a distance portion (7) and an intermediate portion (8) that can be changed depending on the visual task.

Inventors:
SPRATT, Ray, Steven (1848 Adobe Creek Drive, Petaluma, CA, 94954, US)
LATZEL, Sabine (Rudersberger Strasse 41, Welzheim, Welzheim, DE)
Application Number:
US2018/028008
Publication Date:
November 07, 2019
Filing Date:
April 17, 2018
Export Citation:
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Assignee:
CARL ZEISS VISION INTERNATIONAL GMBH (Turnstrasse 27, Aalen, Aalen, DE)
SPRATT, Ray, Steven (1848 Adobe Creek Drive, Petaluma, CA, 94954, US)
International Classes:
G02C7/06; G02C7/08
Attorney, Agent or Firm:
OTTESEN, Christian et al. (Walter Ottesen, P.A.P.O. Box 402, Gaithersburg MD, 20885-4026, US)
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