US 12,287,536 B2
Progressive spectacle lens
Ray Steven Spratt, Petaluma, CA (US); Saulius Varnas, Brighton (AU); and Philipp Jester, Heidenheim an der Brenz (DE)
Assigned to Carl Zeiss Vision International GmbH, Aalen (DE)
Filed by Carl Zeiss Vision International GmbH, Aalen (DE)
Filed on Apr. 29, 2024, as Appl. No. 18/648,674.
Application 18/648,674 is a continuation of application No. 18/647,121, filed on Apr. 26, 2024.
Application 18/647,121 is a continuation of application No. 18/489,950, filed on Oct. 19, 2023, granted, now 12,001,087.
Application 18/489,950 is a continuation of application No. PCT/EP2022/061453, filed on Apr. 29, 2022.
Claims priority of application No. PCT/US2021/030236 (WO), filed on Apr. 30, 2021.
Prior Publication US 2024/0302679 A1, Sep. 12, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02C 7/06 (2006.01); G02C 7/02 (2006.01)
CPC G02C 7/061 (2013.01) [G02C 7/027 (2013.01); G02C 2202/08 (2013.01); G02C 2202/24 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A spectacle lens comprising:
a central viewing zone configured for distance vision and having a refracting power providing a first stable power region;
a lower viewing zone configured for near vision and having a refracting power providing a second stable power region;
two peripheral vision zones having a refracting power providing a third stable power region and a fourth stable power region, respectively; and
an upper viewing zone having a refracting power providing a fifth stable power region,
wherein each of the second, third, fourth and fifth stable power regions provide refracting power greater than the refracting power provided by the first stable power region,
wherein the central viewing zone is arranged between the lower viewing zone and the upper viewing zone, and
wherein the upper viewing zone is configured for intermediate vision.