The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2019
Filed:
Apr. 06, 2017
Applicant:
Novartis Ag, Basel, CH;
Inventors:
Assignee:
Novartis AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/16 (2006.01); G02B 5/18 (2006.01); G02C 7/04 (2006.01); G02C 7/06 (2006.01);
U.S. Cl.
CPC ...
A61F 2/1654 (2013.01); A61F 2/1618 (2013.01); G02B 5/1876 (2013.01); A61F 2230/0006 (2013.01); G02C 7/042 (2013.01); G02C 7/06 (2013.01); G02C 2202/20 (2013.01);
Abstract
A multifocal ophthalmic lens includes an ophthalmic lens and a diffractive element. The ophthalmic lens has a base curvature corresponding to a base power. The diffractive element produces constructive interference in at least four consecutive diffractive orders corresponding a range of vision between near and distance vision. The constructive interference produces a near focus, a distance focus corresponding to the base power of the ophthalmic lens, and an intermediate focus between the near focus and the distance focus.