Class 351/170 - With prismatic segment

Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter wherein one of the multifocal lens elements
No. of patents: 19
Last issue date: 05/20/2008

Number	Title	Issue Date
7374284	Peripheral field expansion device A spectacle system is disclosed for shifting the field expansion property of peripheral prisms from the upper and lower peripheral visual fields toward the central visual field of a person with peripheral field loss, and particularly hemianopia, while maintaining th...	05/20/2008
7284857	Apparatus and method for treating learning differences A method for treating a learning difference of an individual, comprises predicting an eclipsed area of a retina of an eye of the individual; providing a prism lens having dimensions selected for directing light to the eclipsed area; and positioning the prism lens ad...	10/23/2007
7104647	Multi-focal ophthalmic lens with base in prism A pair of glasses comprises a frame. A first progressive addition lens in the frame comprises a distance portion and a near portion. Diopter power and base in prism gradually increase from the distance portion to the near portion. A second progressive addition lens ...	09/12/2006
7097305	Method of producing a corrective spectacle lens and lens blank used for same A method for manufacturing a correctable lens for glasses from an injectable thermo-plastic polymer material, or other moldable polymer, includes the step of molding a polymer blank provided with the contour of the corrective lens. The polymer blank is joined with a...	08/29/2006
7077985	Injection molding of lens A flat or curved photochromic laminate structure and a plastic photochromic lens blank can be produced in a simple and efficient manner from relatively low-cost polymeric sheet materials. These laminates can be used to provide goggles, face shields, windows, window ...	07/18/2006
6789895	Aspherical spectacle lens with prismatic power to correct phoria Disclosed is an aspherical spectacle lens having a prismatic power to correct hereophoria of an eye. The spectacle lens has front and back surfaces, one of which is a rotationally-asymmetrical aspherical surface. When the back surface is rotationally-asymmetrical, c...	09/14/2004
6709104	Eyeglasses and method of making same for the treatment of low-vision Eyeglasses for the treatment of low-vision and macular degeneration include a frame for supporting lenses on an occipital dexter side and an occipital sinister side. An occipital dexter lens has a near portion and a distance portion. The near portion has a dioptric ...	03/23/2004
6361165	Flyglasses Flyglasses having two lenses, at least one of which is faceted and both of which are held in a mount that is preferably flat. The mount can be in the form of a so-called lorgnette having a handle made in the form of a small board which is especially suite...	03/26/2002
6089713	Spectacle lens with spherical front side and multifocal back side and process for its production A spectacle lens has a spherical or rotationally symmetrical, aspheric front side and a back side prescription surface. All individual requirements of the prescription for spectacles, consisting of spherical, astigmatic and prismatic power and their distr...	07/18/2000
5323190	Ophthalmic prismatic image relocating eye glasses for persons having retinitis pigmentosa and hemianopia and method for making same A pair of rotatable optical image deflector assemblies is disclosed which are detachably mounted via an adapter bracket to a conventional eye testing apparatus. Each optical image deflector assembly has a fixed light reflecting optical element, and a pivo...	06/21/1994
5204702	Apparatus and process for relieving eye strain from video display terminals Eye glasses in combination with a video display terminal and a process of eye glass prescription for workers utilizing video display terminals are disclosed. At least one diopter of base in (nasal or towards the nose) prism dioptric correction is utilized...	04/20/1993
5155508	Ophthalmic prismatic image relocating eye glasses for persons having retinitis pigmentosa and hemianopia and method for making same A pair of rotatable optical image deflector assemblies is disclosed which are detachably mounted via an adapter bracket to a conventional eye testing apparatus. Each optical image deflector assembly has a fixed light reflecting optical element, and a pivo...	10/13/1992
4961639	Prism section lens spectacles Spectacle lenses have upper and lower viewing sections, the upper section comprising a combined pair of prisms which refract light rays to angularly modify a line of sight from a viewer therethrough to an intermediate and elevated object, e.g., an item on...	10/09/1990
4958924	Low vision eye glasses Eye glasses are disclosed for improving the vision of people with macular degeneration, optic nerve damage or similar low vision problems. The glasses comprise two lens assemblies, each having a magnifying lens with two convex surfaces and a reducing lens...	09/25/1990
4781452	Modular optical manufacturing system A method and apparatus for manufacturing prescription eyeglass lenses through the assembly of modular lens components is disclosed. The lens components include single-vision spherocylindrical stock lenses having positive or negative power, prism wedges wh...	11/01/1988
4772113	Low vision eye glasses Eye glasses are disclosed for improving the vision of people with macular degeneration, optic nerve damage or similar low vision problems. The glasses comprise two lens assemblies, each having a magnifying lens with two convex surfaces and a reducing lens...	09/20/1988
4581031	Prismatic intraocular lens An intraocular lens including a convex portion and a prismatic portion for use with patients having macular degeneration of the retina. The lens is to be implanted in the eye, after removal of the natural lens, to direct rays of light away from the diseas...	04/08/1986
4288149	Resin ophthalmic lenses having a prismatic segment A cast resin ophthalmic lens comprises a homogeneous body defined of cured optical casting resin. The body has a cast optically finished front surface composed of a major surface portion and a minor surface portion. The minor surface portion defines in th...	09/08/1981
4163655	Method of manufacture of molds for resin ophthalmic lenses having a segment with prismatic optical effect A method is described for making molds for the casting of resin ophthalmic lenses having segments of prismatic optical effect. A first mold surface is formed in a first blank. A second blank, having a recess therein shaped to the outline of the desired le...	08/07/1979

PatentStorm

Quotables

PatentStorm News

Class 351/170 - With prismatic segment