×

Truncated diffractive intraocular lenses

  • US 20070171362A1
  • Filed: 08/23/2006
  • Published: 07/26/2007
  • Est. Priority Date: 12/01/2004
  • Status: Abandoned Application
First Claim
Patent Images

1. A method of designing a diffractive ophthalmic lens, comprising providing an optic having an anterior refractive surface and a posterior refractive surface, said optic providing a far-focus power, disposing a truncated diffractive structure on one of said surfaces for generating a near-focus add power, adjusting the diffractive structure so as to obtain a desired distribution of optical energy between said near and far foci for a range of pupil sizes.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×