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Class Information
Number: 351/161
Name: Optics: eye examining, vision testing and correcting > Spectacles and eyeglasses > Ophthalmic lenses or blanks > Eye contact type > Multifocal
Description: Subject matter wherein the contact lens comprises two zones of different focal length, one zone to correct the distance vision and another zone to correct the reading vision.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7510281 Method for manufacturing bifocal lens Mar. 31, 2009
7503652 Translating multifocal ophthalmic lenses Mar. 17, 2009
7481533 Method for designing multifocal contact lenses Jan. 27, 2009
7455403 Simultaneous vision emulation for fitting of corrective multifocal contact lenses Nov. 25, 2008
7452075 Hydrodynamically operated multifocal contact lens Nov. 18, 2008
7441894 Pseudo-accommodative IOL having diffractive zones with varying areas Oct. 28, 2008
7423801 Lens with SLM Sep. 9, 2008
7402175 Vision prosthesis orientation Jul. 22, 2008
7399080 Bi-aspherical type progressive-power lens and method of designing the same Jul. 15, 2008
7396126 Electro-active multi-focal spectacle lens Jul. 8, 2008
7377641 Multifocal ophthalmic lens May. 27, 2008
7377640 Multifocal ophthalmic lens May. 27, 2008
7370962 Pupil regulated multifocal contact lenses May. 13, 2008
7341344 Progressive power lens Mar. 11, 2008
7338161 Optical accommodative compensation system Mar. 4, 2008
7322695 Multifocal contact lenses Jan. 29, 2008
7311398 Variable focus lens Dec. 25, 2007
7303277 Multifocal contact lens Dec. 4, 2007
7303278 Multifocal contact lens Dec. 4, 2007
7289260 Multifocal lens Oct. 30, 2007
7281795 Light adjustable multifocal lenses Oct. 16, 2007
7278739 Adaptive optic lens system and method of use Oct. 9, 2007
7267435 Multifocal contact lens Sep. 11, 2007
7261736 Vision prosthesis with artificial muscle actuator Aug. 28, 2007
7237894 Multifocal ophthalmic lens Jul. 3, 2007
7232218 Bifocal multiorder diffractive lenses for vision correction Jun. 19, 2007
7216974 Contact lens and methods of manufacture May. 15, 2007
7178918 Ophthalmic lenses with induced aperture and redundant power regions Feb. 20, 2007
7159980 Progressive refractive power lens and production method therefor Jan. 9, 2007
7159979 Rotationally stabilized contact lenses Jan. 9, 2007
7156516 Diffractive lenses for vision correction Jan. 2, 2007
7134753 Contact lens having a uniform horizontal thickness profile Nov. 14, 2006
7131727 Simultaneous vision emulation for fitting of corrective multifocal contact lenses Nov. 7, 2006
7133174 Contact lens having a uniform horizontal thickness profile Nov. 7, 2006
7118214 Presbyopic vision improvement Oct. 10, 2006
7101042 Multifocal contact lens Sep. 5, 2006
7093938 Bifocal multiorder diffractive lenses for vision correction Aug. 22, 2006
7080906 Translating bifocal wear modality Jul. 25, 2006
7073906 Aspherical diffractive ophthalmic lens Jul. 11, 2006
7070275 Orthokertology and bi-focal contact lens Jul. 4, 2006
7063422 Multifocal ophthalmic lens Jun. 20, 2006
7052133 Contact lenses May. 30, 2006
7052132 Soft multifocal contact lens May. 30, 2006
7044597 Multifocal contact lens and method of manufacture thereof May. 16, 2006
7036931 Ophthalmic lenses May. 2, 2006
7025456 Diffractive lenses for vision correction Apr. 11, 2006
7021760 Soft contact lens capable of engagement with an eye either right way out or inside out Apr. 4, 2006
7021764 Eyeglass manufacturing method using variable index layer Apr. 4, 2006
7012160 Fluorine-containing acetophenone derivative, surface layer material containing the same as photo initiator, article with composite hard coat layer, and method for forming composite hard coat l Mar. 14, 2006
7004584 Contact lens and methods of manufacture Feb. 28, 2006

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