G - Physics – 02 – C
Patent
G - Physics
02
C
G02C 7/04 (2006.01)
Patent
CA 2432422
The invention provides a rotationally stabilized contact lens that takes into account the natural shape of the lens wearer's cornea in the design of the base curve of the lens. The invention provides an effective method, and lenses incorporating that method, for on-eye lens stabilisation that eliminates the need for increasing the lens' peripheral thickness to stabilise the lens, resulting in a more comfortable lens on-eye. Additionally, the invention provides a flexible base curve design method that results in improved lens fit and centration.
L'invention concerne une lentille de contact stabilisée en rotation, dont la conception de la courbure de base tient compte de la forme naturelle de la cornée de la personne qui la porte. Cette invention concerne un procédé efficace et des lentilles associées à ce procédé, lequel permet d'effectuer une stabilisation de la lentille sur l'oeil telle qu'un accroissement de l'épaisseur périphérique de la lentille n'est plus nécessaire pour la stabiliser, d'où un plus grand confort pour la personne qui porte la lentille. En outre, la présente invention porte également sur un procédé de conception de courbure de base flexible, qui permet d'améliorer l'adaptation et le centrage de la lentille.
Johnson & Johnson Vision Care Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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