High-order optical correction during corneal laser surgery
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United States of America Patent
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Sep 19, 2017
Grant Date -
Oct 13, 2016
app pub date -
Apr 6, 2016
filing date -
Apr 22, 2008
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Abstract
Systems and methods related to corneal ablation for treatment of one or more high-order optical aberrations are provided. A method includes providing a defect-correcting prescription, determining an ablation profile to impose the prescription on the cornea, and determining a sequence of laser-energy ablations to impose the ablation profile on the cornea. The prescription may include a high-order optical correction. The ablation profile includes a first-segment profile and a second-segment profile. The second-segment profile corresponds to at least one high-order optical correction. The ablation sequence includes applying ablations corresponding to the first-segment profile prior to applying ablations corresponding to the second-segment profile.
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