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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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3245745 |
Post-operative multifocal cataract lenses with base-in prismatic nearvision segments
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3014405 |
Binocular bifocal magnifier and illuminator
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