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.

Date of Patent:
Jul. 24, 2018

Filed:

Feb. 02, 2015
Applicant:

Ophtec B.v., Groningen, NL;

Inventors:

Erik Verburg, Groningen, NL;

Peter Biemold, Groningen, NL;

Alfred Willem Wassenburg, Groningen, NL;

Assignee:

Ophtec B.V., Groningen, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/00 (2006.01); G02C 7/02 (2006.01); G02C 7/04 (2006.01); A61F 2/16 (2006.01);
U.S. Cl.
CPC ...
G02C 7/044 (2013.01); A61F 2/1618 (2013.01); G02C 7/042 (2013.01); G02C 7/045 (2013.01);
Abstract

An ophthalmic multifocal lens to be worn on or in a human eye. The lens has an optical portion with anterior and posterior surfaces and a circumferential peripheral boundary. The optical portion has far vision zones having a first refractive power and near vision zones having an add power. The far visions zones and near vision zones include ring segments having one of the refractive powers each radially bounding a more central zone of another one of the refractive powers. The ring segments include ring segments bordering on the peripheral boundary and alternating in circumferential sense along the full circumference of the peripheral boundary.


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