Pupil regulated multifocal contact lenses

Details Pupil regulated multifocal contact lenses Pupil regulated multifocal contact lenses

G - Physics

02

C

G02C 7/02 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2503798

The invention provides a multifocal ophthalmic lens that both corrects for the wearer's refractive prescription and takes into account pupil size of a specific individual or of a population of individuals. The invention provides a lens having an optic zone having a substantially circular central zone containing over-refracted near vision power and a diameter of about 2.5 mm or less.

L'invention concerne une lentille ophtalmique multifocale qui corrige à la fois la prescription réfractive et prend en compte la taille de la pupille d'un individu spécifique ou d'une population d'individus. L'invention permet de mettre à disposition une lentille dont la zone optique comporte une zone centrale sensiblement circulaire contenant une puissance de vision proche sur-réfractée et un diamètre d'environ 2,5 mm ou moins.

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