System And Method For Increasing The Depth Of Focus Of The Human Eye


A method and apparatus for increasing the depth of focus of the human eye is comprised of a lens body, an optic in the lens body configured to produce light interference, and a pinhole-like optical aperture substantially in the center of the optic. The optic may be configured to produce light scattering or composed of a light reflective material. Alternatively, the optic may increase the depth of focus via a combination of light interference, light scattering, light reflection and/or light absorption. The optic may also be configured as a series of concentric circles, a weave, a pattern of particles, or a pattern of curvatures. One method involves screening a patient for an ophthalmic lens using a pinhole screening device in the lens to increase the patient's depth of focus. Another method comprises surgically implanting a mask in the patient's eye to increase the depth of focus.

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Document History
  • Publication: Jan 1, 2013
  • Application: Jul 29, 2008
    US US 18205608 A
  • Priority: Jul 29, 2008
    US US 18205608 A
  • Priority: Nov 22, 2005
    US US 28479105 A
  • Priority: Dec 5, 2003
    US US 72920003 A
  • Priority: Mar 10, 2003
    US US 38495703 A
  • Priority: Feb 29, 2000
    US US 51625800 A
  • Priority: Jun 7, 1999
    US US 13811099 P
  • Priority: Mar 15, 1999
    US US 12434599 P
  • Priority: Mar 1, 1999
    US US 12200199 P

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