Brillenglas Design, Brillenglas Kit und Herstellungsmethode eines Brillenglases

Details

Veröffentlichungs-Nr.

EP4006627

Aktenzeichen

EP20211634

Anmeldetag

26. November 2020

Veröffentlichung

12. Juli 2023

Erteilung

12. Juli 2023

Rechtsraum

EP

IPC

G02C7/06G02C7/02G02C7/16

Abstract

A spectacle lens design for a spectacle lens (12) to be positioned relative to the eye of a wearer according to a given as-worn position is provided. The spectacle lens design includes- a first zone (14) which, when a spectacle lens (12) manufactured according to the spectacle lens design is positioned according to the as-worn position, has a focal power that provides a focused image on the fovea, the first zone (14) having a given a height (d_v) and a given width (d_h), and- at least one second zone (15) at least partly surrounding the first zone (14) where the second zone (15) contains at least one of the following: (i) focusing structures providing a focal power resulting in a myopic defocus when a spectacle lens (12) manufactured according to the spectacle lens design is positioned according to the as-worn position or (ii) diffusing structures such as scattering centers (16) leading to a diffusion of light passing the at least one second zone (15).The width of the first zone (14) is at least four times the height of the first zone (14).In addition, a spectacle lens kit comprising a spectacle lens according the spectacle lens design, a data set comprising at least one kind of the following kinds of data: (i) a numerical representation of the spectacle lens design and (ii) data containing computer-readable instructions for controlling one or more manufacturing machines in order to produce a spectacle lens according to the spectacle lens design, a method of deigning a spectacle lens anda method for manufacturing a spectacle lens according the spectacle lens design are provided.

Anmelder

Firma

Carl Zeiss Vision International GmbH

Land

🇩🇪 Deutschland

Fachgebiete