Essilor International (compagnie Generale D'optique)

Essilor International

Bérangère Donetti

Thierry Bonnin

Gilles Le Saux

Cécile Petignaud

Bruno Decreton

Martha Hernandez

Nathalie Bar

A method is disclosed for determination of an ophthalmic lens for a wearer for whom a near-vision and far-vision astigmatism prescription has been made out, the near-vision astigmatism being different from the far-vision astigmatism. The method includes the steps of: choosing a starting lens and defining a current lens equal to the starting lens; optimization, in worn conditions, of the current lens using as a target the astigmatism for which the wearer has been giving a prescription for far vision and the astigmatism for which the wearer has been given a prescription for near vision.

Method for determination of an ophthalmic lens using an astigmatism prescription for far sight and for near sight

The invention relates to a method for fitting, in a frame, a progressive ophthalmic lens prescribed for a wearer. It proposes that only the horizontal position of the wearer's pupil be measured on the wearer. From this measurement, and from the total height of the pattern of the frame, the lens is positioned in the frame, and is then machined and fitted into the frame. The invention makes it possible, when fitting lenses, to avoid the errors brought about by the measuring of the height of the wearer's pupil with respect to the frame.

Method for mounting ophthalmic lenses

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Champigny sur Marne, France

Bérangère Donetti