SYSTEMS AND METHODS FOR DETERMINING INTRAOCULAR LENS POWER

  • US 20090251664A1
  • Filed: 04/06/2009
  • Published: 10/08/2009
  • Est. Priority Date: 04/04/2008
  • Status: Active Grant
First Claim
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1. A method of selecting an intraocular lens or an optical power thereof, comprising:

  • providing an eye comprising a cornea and a retina;

    determining a value of an axial length of an eye, the axial length being equal to a distance from the apex to a surface of the retina;

    calculating, based on a mathematical relationship, a distance from the apex to a plane the intraocular lens after an ocular surgical procedure;

    calculating an optical power of the intraocular lens suitable for providing a predetermined refractive outcome;

    wherein the mathematical relationship comprises a dependent variable that varies with a value of an independent variable, the independent variable having a base value corresponding to the determined axial length;

    wherein the mathematical relationship has a sensitivity of less than or equal to 0.5%, the sensitivity being defined as a percent variation in the dependent variable for a 1% in the base value.

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