Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2006-04-25
2006-04-25
Sugarman, Scott J. (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
Reexamination Certificate
active
07033024
ABSTRACT:
A method for manufacturing a spectacle lens, in which at first a semi-finished uncut spectacle lens (hereinafter referred to as a blank) is produced, i.e. a spectacle lens having merely one finished optical surface (hereinafter described as base surface); subsequently a prescription-optimized surface is computed according to the data of a spectacle lens prescription; and then the prescription-optimized surface is finished according to the computed data. The invention is characterized by the following method steps: after the production of the semi-finished spectacle lens the base surface is measured; the prescription-optimized surface is computed and finished taking into account not only the individual data of the spectacle prescription, but also the actual shape of the base surface.
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Patent Abstracts of Japan, vol. 013, No. 281 (M-842) (abstract of JP 01-075149), Jun. 1989.
Altheimer Helmut
Esser Gregor
Fendt Roswitha
Gruna Fritz
Haimerl Walter
Collins Darryl J.
Crowell & Moring LLP
Rodenstock GmbH
Sugarman Scott J.
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