Patents Assigned to Rayner Intraocular Limited
  • Multifocal lens and method for producing same
    Patent number: 10524899
    Abstract: The invention relates to a multifocal lens (1), in particular an intraocular lens or contact lens, having a refractive focus (Fr) and a first and a second diffractive structure (6, 7) that at least partially overlap, said two diffractive structures (6, 7) being different. A first order focus (F1;1) of the first diffractive structure (6) coincides with a first order focus (F2,1) of the second diffractive structure (7). The invention further relates to a method for producing such a multifocal lens (1).
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 7, 2020
    Assignee: Rayner Intraocular Limited
    Inventors: Kirsten Lux, Nicole Plank, Wolfgang Brezna, Nikolaus Dragostinoff