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Class 623/6.24 - Multifocal lens


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the particular radius of curvature
No. of patents: 38
Last issue date: 03/02/2010


NumberTitleIssue Date
7670371Multifocal ophthalmic lens
A method of designing a multifocal ophthalmic lens with one base focus and at least one additional focus, capable of reducing aberrations of the eye for at least one of the foci after its implantation, comprising the steps of: (i) characterizing at least one corneal...
03/02/2010
7381221Multi-zonal monofocal intraocular lens for correcting optical aberrations
A multi-zonal monofocal opthalmic lens comprises an inner zone, an intermediate zone, and an outer zone. The inner zone has a first optical power. The intermediate zone surrounds the inner zone and has a second optical power that is different from the first power by...
06/03/2008
7377640Multifocal ophthalmic lens
A method of designing a multifocal ophthalmic lens with one base focus and at least one additional focus, capable of reducing aberrations of the eye for at least one of the foci after its implantation, comprising the steps of: (i) characterizing at least one corneal...
05/27/2008
7281795Light adjustable multifocal lenses
The invention relates to novel intraocular lenses. The lenses are capable of post-operative adjustment of their optical properties, including conversion from single focal lenses to multifocal lenses. ...
10/16/2007
7226478Optic configuration for intraocular lens system
There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior...
06/05/2007
7220278Teledioptic lens system and method for using the same
An intraocular lens system for implantation in the eye to modify the lens system of the eye comprising the cornea and the natural or existing artificial lens in the eye, and a method for using the same. The system and method comprises a lens having a high minus port...
05/22/2007
7192444Aspheric soft lens
An aspheric soft intraocular lens, having an optical power surface, which may have multiple radii portions or aspherical portions, as well as spherical portions, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction. ...
03/20/2007
7150759Multi-mechanistic accommodating intraocular lenses
An intraocular lens (IOL) includes an optic for focusing light and an accommodation assembly for axially moving and/or deforming the optic in response to naturally occurring actions of the eye, thus allowing a patient to more effectively focus on near objects. In ad...
12/19/2006
7144423Intraocular multifocal lens
In accordance with the present invention, a multifocal intraocular lens provides greater or lesser refraction in relation to the position of the head and eyes of a user. A multifocal intraocular lens body for insertion into a fluid-filled enucleated natural lens cap...
12/05/2006
7137702Methods of obtaining ophthalmic lenses providing the eye with reduced aberrations
An intraocular correction lens has at least one aspheric surface which when its aberrations are expressed as a linear combination of polynomial terms, is capable of, in combination with a lens in the capsular bag of an eye, reducing similar such aberration terms obt...
11/21/2006
7063422Multifocal ophthalmic lens
This invention is generally related to vision corrections by means of multifocal ophthalmic lenses or by means of corneal refractive surgery. In particular, the present invention provides a multifocal contact lens, a multifocal intraocular lens, a method for making ...
06/20/2006
7061693Optical method and system for extended depth of focus
An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a ph...
06/13/2006
7044597Multifocal contact lens and method of manufacture thereof
An optical zone for a lens has a center optical axis. A first region of the optical zone includes a first optical curve having a first optical axis that is collinear with the center optical axis. A plurality of secondary regions is formed within the first region. Ea...
05/16/2006
7025783Accommodating intraocular lens with integral capsular bag ring
An intraocular lens (IOL) includes an optic for focusing light, an outer ring for supporting the optic in a capsular bag of an eye and a plurality of radially spaced apart, elongated intermediate members connecting the optic to the outer ring. The intermediate membe...
04/11/2006
7018409Accommodating intraocular lens assembly with aspheric optic design
Intraocular lenses include a lens body sized and adapted for placement in a mammalian eye and having a plurality of different optical powers, and a movement assembly joined to the lens body and adapted to cooperate with the mammalian eye to effect accommodating move...
03/28/2006
6932839Intraocular lens assembly and method
An intraocular lens assembly and method. The assembly comprises an optic disc and an annulus surrounding the optic disc. Hinges connect the optic disc to the annulus to permit anterior and posterior movement of the optic disc relative to the annulus in response to c...
08/23/2005
6871953Contact lens with transition
A monocentric bifocal contact lens with upper and lower optical power zones is connected by a transition comprising a family of sigmoidal curves. The sigmoidal curve begins with a common tangent at the boundary of the near zone and, with a reversal of sign from the ...
03/29/2005
6855164Multi-focal intraocular lens, and methods for making and using same
This intraocular lens includes an optic body having anterior and posterior walls, a chamber, and optically transmissive primary and secondary fluids, and method for making and using the same. The secondary fluid is substantially immiscible with the primary fluid and...
02/15/2005
6547822Opthalmic lens systems
An ophthalmic lens system for improving the vision of a patient including first and second ophthalmic lenses. Each of these lenses is adapted for implantation in an eye or to be disposed on or in the cornea. The first ophthalmic lens is biased for distanc...
04/15/2003
6540353Contact lens and process for fitting
An aspheric multifocal contact lens for wearing by a patient with presbyopia is disclosed. The lens has a lens body with a rear surface adapted to fit on the surface of the eye and a front surface that interacts with the rear surface to bring about the de...
04/01/2003
6537317Binocular lens systems
An binocular lens system for improving the vision of a patient including first and second ophthalmic lenses. Each of these lenses is adapted for implantation in an eye or to be disposed on or in the cornea. The first lens is biased for distance vision and...
03/25/2003
6409339Multifocal lens, and method for production thereof
Multifocal lens provided with a reading part disposed near the bottom part and another lens, such as a distance lens, near the top part. According to the invention, the outer limit of the reading part lies on or within the (outer) radius RV of the remaini...
06/25/2002
6231603Accommodating multifocal intraocular lens
Intraocular lenses include a lens body sized and adapted for placement in a mammalian eye and having a plurality of different optical powers, and a movement assembly joined to the lens body and adapted to cooperate with the mammalian eye to effect accommo...
05/15/2001
6221105Multifocal ophthalmic lens
A multifocal ophthalmic lens, having outer annular zones with vision correction powers less than a far vision correction power of the patient, is disclosed. These additional annular zones come into play, when the pupil size increases under dim lighting co...
04/24/2001
5805260Combined multifocal toric lens designs
Combined multifocal toric lens designs are disclosed which combine a correction for astigmatism, either corneal or lenticular, with a correction for presbyopia. One of the front and back surfaces of the lens defines a toric surface for an astigmatic optic...
09/08/1998
5796462Aspheric toric lens designs
Aspheric toric lens designs are disclosed which reduce the number of cylindrical axis locations required for stock keeping units in inventory by aspherizing the toric surface thereof. The present invention pertains to ophthalmic lenses, and in particular ...
08/18/1998
5715031Concentric aspheric multifocal lens designs
Concentric aspheric multifocal lens designs are disclosed which use a combination of an aspheric front surface, which results in aberration reduction and contrast vision enhancement, along with a concentric multifocal back surface, to produce a lens desig...
02/03/1998
5507806Multi-faceted intraocular lens
An improved multi-faceted intraocular lens with a main optical element having a plurality of optical elements. The flexible, thin multi-faceted intraocular lens is made of an optical-grade soft biocompatible material, such as a flexible acrylic material, ...
04/16/1996
5326348Intraocular multifocal lens
An intraocular lens, in the form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after cataract extraction, comprises on its distal side, an aspherical sector extending approximately from the midline of the disk over ...
07/05/1994
5185107Fabrication of an intraocular lens
A lens, having an optical power surface, which may have multiple radii portions or aspherical portions as well as spherical portions, is molded in a coined mold. A pair of core pins, positioned within the mold cavity during the lens forming process, will ...
02/09/1993
5173723Aspheric ophthalmic accommodating lens design for intraocular lens and contact lens
A multifocal lens configuration is disclosed having a lens body with first and second surfaces wherein at least one of the surfaces is defined three dimensionally as being rotationally non-symmetric about the optical axis of the lens. The lens surface may...
12/22/1992
5152787Intraocular gradient-index lenses used in eye implantation
The present invention relates to implants (intraocular lenses) for implantation in the human eyeball to replace the natural crystalline lens. In general, the implant includes a body which includes anterior and posterior surfaces, an axis, and a periphery....
10/06/1992
5104590Fabrication of an intraocular lens
A lens, having an optical power surface, which may have multiple radii portions or aspherical portions as well as spherical portions, is molded in a coined mold. A pair of core pins, positioned within the mold cavity during the lens forming process, will ...
04/14/1992
5074877Intraocular multifocal lens
An intraocular lens, in the form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over...
12/24/1991
5019099Intraocular multifocal lens method for correcting the aphakic eye
An intraocular lens, in form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over one...
05/28/1991
5019098Sight-correcting optical component such as an intra-ocular implant or contact lens
An optical component such as an intra-ocular implant or contact lens for correcting sight has an aspherical surface in at least the central part of at least one side. The parameters of this surface are chosen so that for the optical system comprising the ...
05/28/1991
4917681Intraocular multifocal lens
An intraocular lens, in form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over one...
04/17/1990
4769033Intraocular multifocal lens
An intraocular lens, in form of a disk, intended to replace the crystalline lens of a patient's eye, in particular after a cataract extraction, comprises on its distal side an aspherical sector extending approximately from the midline of the disk over one...
09/06/1988
 
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