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Nonlinear optical photodynamic therapy (NLO-PDT) of the cornea
Nonlinear optical photodynamic therapy (NLO-PDT) of the cornea
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机译:角膜的非线性光学光动力疗法(NLO-PDT)
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摘要
The embodiments include method of nonlinear optical photodynamic therapy of tissue including the steps of providing pulsed infrared laser light for two-photon excited fluorescence tissue exposure, and selectively focusing the pulsed infrared laser light within the tissue at a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue. The invention is also directed to an apparatus for performing nonlinear optical photodynamic therapy of tissue including a pulsed infrared laser for providing two-photon excited fluorescence beam tissue exposure, a scanner for selectively and controllably moving the tissue and the beam relative to each other, and optics for selectively focusing the pulsed infrared laser light within the tissue at a point in a focal plane to activate a photosensitizing agent to generate free radicals within a highly resolved axial and lateral spatial domain in the tissue.
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