METHOD OF MANUFACTURING A PAIR OF PROGRESSIVE OPHTHALMIC LENSES

A pair of progressive ophthalmic lenses (1, 2) meets special conditions for improving binocular vision of a wearer, while avoiding discomfort for peripheral vision. A first one of the conditions relates to width values of far vision fields and/or proximate vision fields, for indicating that the fiel...

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Bibliographic Details
Main Authors GUILLOUX, Cyril, CONTET, Aude, DE ROSSI, Helene, KARIOTY, Farid, DELDALLE, Bénédicte
Format Patent
LanguageEnglish
French
German
Published 21.06.2017
Subjects
CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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Summary:A pair of progressive ophthalmic lenses (1, 2) meets special conditions for improving binocular vision of a wearer, while avoiding discomfort for peripheral vision. A first one of the conditions relates to width values of far vision fields and/or proximate vision fields, for indicating that the fields are different enough in width between both lenses. A second one of the conditions sets a maximum value for the relative difference in mean refractive power gradient between both lenses.
Bibliography:Application Number: EP20140703870