OPTIMIZED INTRAOCULAR LENS
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United States of America Patent
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Issued Date -
Nov 26, 2009
app pub date -
May 21, 2008
filing date -
May 21, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optimized aspheric lens has improved optics when implanted into a patient having a curved retina. Light entering the optimized aspheric lens on-axis or at an angle to the optical axis is properly focused by the lens, reducing aberrations and producing a much smaller spot size of light on the retina. A method of selecting the optimized values for variables of the lens design, such as base radii of the front and back surface of the lens, conic constants of the front and back surfaces, and/or center thickness of the lens, among other possible parameters is provided. The method includes calculating changes in a merit function while changing the various values for the variables and selecting an optimized merit function.
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