Progressive ophthalmic lens

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9329406
APP PUB NO 20140016088A1
SERIAL NO

14007721

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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 7.50·10−1 mm−1 at any point in a central portion of the lens including a portion of the main meridian (32), the far vision reference point (FV) and the near vision reference point (NV); —a cylinder gradient normalized value of less than 1.45 mm−1 at any point in the central portion of the lens.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Rossi Helene Charenton le Pont, FR 9 75
Guillot, Matthieu Charenton le Pont, FR 51 93
Moine, Jerome Charenton le Pont, FR 10 39
Rego, Carlos Charenton le Pont, FR 17 17

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