Intraocular lens with extended depth of focus

Details Intraocular lens with extended depth of focus Intraocular lens with extended depth of focus

A - Human Necessities

61

F

A61F 2/16 (2006.01) G02C 7/00 (2006.01)

Patent

CA 2744049

An ophthalmic lens is disclosed, one embodiment comprising an optic having an anterior surface and a posterior surface disposed about an optical axis, wherein at least one of the surfaces has a profile characterized by superposition of a base profile and an auxiliary profile, the auxiliary profile comprising a continuous pattern of surface deviations from the base profile. The auxiliary profile is a sinusoidal profile and can be amplitude modulated, frequency modulated or both amplitude and frequency modulated. The ophthalmic lens can be an IOL.

Cette invention concerne une lentille ophtalmique, un mode de réalisation comprenant un élément optique ayant une face antérieure et une face postérieure agencées autour d'un axe optique, l'une des deux faces au moins ayant un profil caractérisé par la superposition d'un profil de base et d'un profil auxiliaire, le profil auxiliaire comprenant un motif continu de déviations superficielles partant du profil de base. Le profil auxiliaire est un profil sinusoïdal qui peut être modulé par amplitude, par fréquence ou par amplitude et par fréquence. La lentille ophtalmique peut être une LIO.

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