Patents Assigned to Prism Opthalmics, L.L.C.
  • Patent number: 5728156
    Abstract: Prismatic intraocular lenses are disclosed for restoring visual function to an eye having macular degeneration. The lenses each include a convex lens optic for receiving and focusing light rays, a prismatic wedge located posterior to the convex lens optic for receiving and directing light rays to a first portion of a retina of the eye, and means for in situ alteration of the optical characteristics of the intraocular lens to direct light rays to a second functional portion of the retina.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: March 17, 1998
    Assignee: Prism Opthalmics, L.L.C.
    Inventors: Amitava Gupta, Ronald D. Blum
  • Patent number: 5683457
    Abstract: A pair of intraocular lenses for restoring visual function to a patient with central field loss. The pair of intraocular lenses includes a first lens for implantation into a first eye of the patient to provide vision of targets located at a distance greater than five feet from the first eye and a second lens for implantation into a second eye of the patient to provide vision of targets at a distance less than twelve inches from the second eye. The first and second lenses each include a prismatic wedge for shifting retinal images to a functional portion of a retina of each respective first and second eye.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: November 4, 1997
    Assignee: Prism Opthalmics, L.L.C.
    Inventors: Amitava Gupta, Richard Mackool