Method for determining a progressive opthalmic lens and a set of semi finished lens blanks

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United States of America Patent

PATENT NO 9618771
SERIAL NO

14365973

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Abstract

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A method for determining a progressive ophthalmic lens, comprising determining first, second and third intermediate values of regression as the strongest regression that can be applied on the front surface of the lens while keeping a mean sphere value in at least a portion of the lower part of the rear surface of the lens less or equal to, respectively, first, second and third predetermined values; and determining a value of regression (d) for the front surface as the maximum value among the first, second and third intermediate values of regression.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Rossi Hélène Charenton le Pont, FR 7 47
Guillot, Matthieu Charenton le Pont, FR 51 93
Rego, Carlos Charenton le pont, FR 17 17

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