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:
Sep. 27, 2016
Filed:
Mar. 22, 2012
Helene DE Rossi, Charenton le Pont, FR;
Jerome Moine, Charenton le Pont, FR;
Carlos Rego, Charenton le Pont, FR;
Matthieu Guillot, Charenton le Pont, FR;
Helene De Rossi, Charenton le Pont, FR;
Jerome Moine, Charenton le Pont, FR;
Carlos Rego, Charenton le Pont, FR;
Matthieu Guillot, Charenton le Pont, FR;
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE), Charenton le Pont, FR;
Abstract
Disclosed is a progressive ophthalmic lens including a front surface and a rear surface, each surface having in each point an altitude, a mean sphere value and a cylinder value, the front surface of the lens including: —a far vision zone having a far vision reference point; —a near vision zone having a near vision reference point; —a main meridian, wherein the front surface is regressive and has: —a sphere gradient normalized value of less than 7.50·10mmat any point in a central portion of the lens including a portion of the main meridian (), the far vision reference point (FV) and the near vision reference point (NV); —a cylinder gradient normalized value of less than 1.45 mmat any point in the central portion of the lens.