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:
Aug. 30, 2022
Filed:
Dec. 28, 2018
Medicontur Orvostechnikai Kft., Zsambek, HU;
Laszlo Ferenc Kontur, Budapest, HU;
Daniel Bercsenyi, Erd, HU;
Gabor Erdei, Budapest, HU;
Bence Papdi, Szeged, HU;
Abstract
The invention relates to a trifocal artificial ophthalmic lens (), which contains an anterior side optical surface (), a posterior side optical surface () and an optical axis (), at least one of the anterior side optical surface () and the posterior side optical surface () contains an optics having three useful focal points and having an at least partially diffractive profile. The three useful focal points correspond to focal points () belonging to the 0and 1diffraction orders of the diffractive profile, and to a focal point () belonging to an enhanced diffractive secondary peaks between the 0and the 1diffraction orders. The invention also relates to a method of producing the aforementioned trifocal artificial ophthalmic lens.