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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:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8100527 Intermediate vision with phakic multifocal optics utilizing residual accommodations Jan. 24, 2012
8079704 Multifocal ophthalmic lens Dec. 20, 2011
8057034 Methods and apparatuses for enhancing peripheral vision Nov. 15, 2011
8042941 Lens with continuous power gradation Oct. 25, 2011
8007102 Method for determining an ophthalmic lens Aug. 30, 2011
7997725 Contact lens and method for prevention of myopia progression Aug. 16, 2011
7997726 Method for determining a set of progressive multifocal ophthalmic lenses Aug. 16, 2011
7992997 Ophthalmic lens element Aug. 9, 2011
7988286 Static progressive surface region in optical communication with a dynamic optic Aug. 2, 2011
7988285 Light adjustable multifocal lenses Aug. 2, 2011
7984990 Ophthalmic lens with multiple phase plates Jul. 26, 2011
7984988 Orthokeratological contact lenses and design methods therefor Jul. 26, 2011
7976156 Wearing-orientation selectable contact lens Jul. 12, 2011
7959285 Method for designing progressive refraction lens, method for manufacturing the same, and eyeglasses lens supplying system Jun. 14, 2011
7909459 Soft multifocal contact lens Mar. 22, 2011
7905595 System and method to treat and prevent loss of visual acuity Mar. 15, 2011
7891810 Multifocal contact lens Feb. 22, 2011
7883207 Refractive-diffractive multifocal lens Feb. 8, 2011
7871162 Diffractive multifocal lens having radially varying light distribution Jan. 18, 2011
7866815 Accommodating or focusable contact lens Jan. 11, 2011
7862171 Ophthalmic lens element for myopia correction Jan. 4, 2011
7837325 Short channel progressive addition lenses Nov. 23, 2010
7832858 Contact lens permitting translation Nov. 16, 2010
7832859 Contact lens and method Nov. 16, 2010
7828433 Assymetrical progressive lens Nov. 9, 2010
7828431 Junctionless ophthalmic lenses and methods for making same Nov. 9, 2010
7819523 Ocular lens Oct. 26, 2010
7777872 Method of measuring diffractive lenses Aug. 17, 2010
7766478 Contact lens and method for prevention of myopia progression Aug. 3, 2010
7753521 Lenses for the correction of presbyopia and methods of designing the lenses Jul. 13, 2010
7740354 Multi-layered gradient index progressive lens Jun. 22, 2010
7735998 Multi-layered multifocal lens with blended refractive index Jun. 15, 2010
7735997 Rigid contact lens Jun. 15, 2010
7717556 Visual enhancement lens and associated methods May. 18, 2010
7699464 Hydrodynamically operated multifocal contact lens Apr. 20, 2010
7682020 Orthokeratological contact lenses and design methods therefor Mar. 23, 2010
7641337 Ophthalmic lens including photochromic material Jan. 5, 2010
7637612 Ophthalmic lenses for prevention of myopia progression Dec. 29, 2009
7625084 Contact lens Dec. 1, 2009
7625086 Method of designing multifocal contact lenses Dec. 1, 2009
7618767 Illuminant distribution evaluation method, optical member manufacturing method, illumination optical device, exposure apparatus, and exposure method Nov. 17, 2009
7618142 Contact lenses Nov. 17, 2009
7572007 Apodized diffractive IOL with frustrated diffractive region Aug. 11, 2009
7556375 Soft lens orthokeratology Jul. 7, 2009
7553019 Variable focus spectacles Jun. 30, 2009
7543935 Soft multifocal contact lens Jun. 9, 2009
7543937 Multifocal ophthalmic lens Jun. 9, 2009
7537338 Bifocal contact lens May. 26, 2009
7530689 Orthokeratological contact lenses and design methods therefor May. 12, 2009
7517084 Multifocal contact lens designs utilizing pupil apodization Apr. 14, 2009

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