Mask Configured To Maintain Nutrient Transport Without Producing Visible Diffraction Patterns

Abstract

A mask configured to be implanted in a cornea of a patient to increase the depth of focus of the patient includes an anterior surface, a posterior surface, and a plurality of holes. The anterior surface is configured to reside adjacent a first corneal layer. The posterior surface is configured to reside adjacent a second corneal layer. The plurality of holes extends at least partially between the anterior surface and the posterior surface. The holes of the plurality of holes are configured to substantially eliminate visible diffraction patterns.


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Document History
  • Publication: Dec 8, 2009
  • Application: May 26, 2004
    US US 85403304 A
  • Priority: May 26, 2004
    US US 85403304 A
  • Priority: Jun 17, 2003
    US US 47912903 P
  • Priority: May 28, 2003
    US US 47382403 P

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