...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7670371 | Multifocal 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 |
| 7381221 | Multi-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 |
| 7377640 | Multifocal 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 |
| 7281795 | Light 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 |
| 7226478 | Optic 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 |
| 7220278 | Teledioptic 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 |
| 7192444 | Aspheric 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 |
| 7150759 | Multi-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 |
| 7144423 | Intraocular 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 |
| 7137702 | Methods 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 |
| 7063422 | Multifocal 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 |
| 7061693 | Optical 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 |
| 7044597 | Multifocal 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 |
| 7025783 | Accommodating 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 |
| 7018409 | Accommodating 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 |
| 6932839 | Intraocular 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 |
| 6871953 | Contact 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 |
| 6855164 | Multi-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 |
| 6547822 | Opthalmic 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 |
| 6540353 | Contact 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 |
| 6537317 | Binocular 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 |
| 6409339 | Multifocal 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 |
| 6231603 | Accommodating 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 |
| 6221105 | Multifocal 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 |
| 5805260 | Combined 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 |
| 5796462 | Aspheric 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 |
| 5715031 | Concentric 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 |
| 5507806 | Multi-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 |
| 5326348 | Intraocular 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 |
| 5185107 | Fabrication 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 |
| 5173723 | Aspheric 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 |
| 5152787 | Intraocular 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 |
| 5104590 | Fabrication 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 |
| 5074877 | Intraocular 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 |
| 5019099 | Intraocular 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 |
| 5019098 | Sight-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 |
| 4917681 | Intraocular 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 |
| 4769033 | Intraocular 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 |