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Class Information
Number: 351/176
Name: Optics: eye examining, vision testing and correcting > Spectacles and eyeglasses > Ophthalmic lenses or blanks > Focus and/or astigmatism correction
Description: Subject matter wherein one of the lens surfaces has a spherical curvature providing dioptrics or lens powers for correction of focal errors of the eye and/or wherein one lens curvature may be in cylindrical or toric form to compensate for astigmatic errors of the eye.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625085 |
Toric contact lens with improved posterior surface design |
Dec. 1, 2009 |
| 7621635 |
Toric contact lenses |
Nov. 24, 2009 |
| 7527376 |
Method for designing spectacle lens, spectacle lens, and spectacles |
May. 5, 2009 |
| 7422325 |
Method of designing a spectacle lens |
Sep. 9, 2008 |
| 7311397 |
Prosthetic eye with polarized dilating pupil and cooperating polarized eyeglass lens |
Dec. 25, 2007 |
| 7249850 |
Method for determination of an ophthalmic lens using an astigmatism prescription for far sight and for near sight |
Jul. 31, 2007 |
| 7249847 |
Eyeglass manufacturing method using variable index layer |
Jul. 31, 2007 |
| 7150527 |
Progressive power semi-finished spectacle lens blanks for astigmatic presbyopes |
Dec. 19, 2006 |
| 7111937 |
Spectacle lenses incorporating atoric surfaces |
Sep. 26, 2006 |
| 7108373 |
Spectacle lens designing method and spectacle lens |
Sep. 19, 2006 |
| 7101042 |
Multifocal contact lens |
Sep. 5, 2006 |
| 6994435 |
Aspherical spectacle lens |
Feb. 7, 2006 |
| 6986579 |
Method of manufacturing an electro-active lens |
Jan. 17, 2006 |
| 6860601 |
Adaptive optic lens system and method of use |
Mar. 1, 2005 |
| 6851804 |
Readjustable optical elements |
Feb. 8, 2005 |
| 6802607 |
Progressive cylinder ophthalmic lenses |
Oct. 12, 2004 |
| 6752497 |
Single vision spectacle lens |
Jun. 22, 2004 |
| 6749300 |
Capillary optical element with a complex structure of capillaries and a method for its manufacture |
Jun. 15, 2004 |
| 6709107 |
Composite ophthalmic lens and method for obtaining same |
Mar. 23, 2004 |
| 6637880 |
Spectacle lens and manufacturing method therefor |
Oct. 28, 2003 |
| 6491393 |
Toric contact lens markings |
Dec. 10, 2002 |
| 6390623 |
Customized progressive addition lenses |
May. 21, 2002 |
| 6382789 |
Toric ophthalmic lenses |
May. 7, 2002 |
| 6347869 |
Convex lens and stepped prism combined glasses |
Feb. 19, 2002 |
| 6334681 |
Lenses and spectacles bearing lenses |
Jan. 1, 2002 |
| 6231182 |
Monofocal ophthalmic lens having two aspherical surfaces |
May. 15, 2001 |
| 6213603 |
Progressive ophthalmic lens |
Apr. 10, 2001 |
| 6199982 |
Presbyopia correction contact lens |
Mar. 13, 2001 |
| 6183084 |
Progressive addition lenses |
Feb. 6, 2001 |
| 6183082 |
Contact lenses with constant peripheral geometry |
Feb. 6, 2001 |
| 6176578 |
Toric contact lenses |
Jan. 23, 2001 |
| 6142625 |
Toric multifocal lens having different astigmatism corrective optical powers in respective vision correction regions, and method of producing the same |
Nov. 7, 2000 |
| 6123422 |
Methods for producing progressive addition lenses |
Sep. 26, 2000 |
| 6086202 |
Method of producing angular tolerance markings for lenses for correcting astigmatism, and associated lenses |
Jul. 11, 2000 |
| 6012813 |
Aspherical spectacle lens |
Jan. 11, 2000 |
| 6000798 |
Ophthalmic optic devices |
Dec. 14, 1999 |
| 5992998 |
Ophthalmic lens having a progressive effect |
Nov. 30, 1999 |
| 5971541 |
Correction of astigmatism using rotationally symmetric contact lenses |
Oct. 26, 1999 |
| 5926250 |
Multifocal lens for eyeglass and eyeglass lens |
Jul. 20, 1999 |
| 5920372 |
Ophthalmic lens having an astigmatic effect |
Jul. 6, 1999 |
| 5880810 |
Series for progressive spectacle lenses |
Mar. 9, 1999 |
| 5847802 |
Concentric annular ring lens designs for astigmatic presbyopes |
Dec. 8, 1998 |
| 5838419 |
Method and apparatus for treating refractive eye abnormalities |
Nov. 17, 1998 |
| 5805260 |
Combined multifocal toric lens designs |
Sep. 8, 1998 |
| 5796462 |
Aspheric toric lens designs |
Aug. 18, 1998 |
| 5793465 |
Toric surfacecasting |
Aug. 11, 1998 |
| 5767939 |
Eyeglass lens |
Jun. 16, 1998 |
| 5684560 |
Concentric ring single vision lens designs |
Nov. 4, 1997 |
| 5652638 |
Concentric annular ring lens designs for astigmatism |
Jul. 29, 1997 |
| 5650837 |
Rotationally stable contact lens designs |
Jul. 22, 1997 |
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