Patent ID: 8157376

Claim:
A method for producing a multifocal ophthalmic eyeglass intended for a presbyopic wearer, comprising the steps of: /1/ obtaining a first ophthalmic correction of the wearer for a first vision distance, and at least two second ophthalmic corrections of said wearer respectively for at least two second vision distances, said two second corrections being different from each other; /2/ determining a principal vision zone and a secondary vision zone of the eyeglass; /3/ dividing the secondary vision zone into at least two series of regions, said regions being contiguous and alternating with respect to said series with a pitch of less than or equal to 1 mm, wherein each one of the series of regions comprises at least two regions separated from each other by at least one region of the other series of regions; /4/ determining the first parameters of the eyeglass in the principal vision zone, corresponding to the first ophthalmic correction, and, for each series of regions, determining second parameters of said eyeglass in the regions of said series as a function of one of the second ophthalmic corrections obtained in step /1/ and assigned to said series of regions; and /5/ producing the eyeglass according to said first and second parameters.