Low energy of excitation PDT compounds for treatment of ocular disease
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United States of America Patent
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Issued Date -
Apr 20, 2006
app pub date -
Sep 30, 2005
filing date -
Oct 5, 2004
priority date (Note) -
Abandoned
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Abstract
A photodynamic therapy includes a particular combination of a photosensitizer and light source for a photodynamic therapy used to treat ocular diseases. The photosensitizer has a peak excitation level when exposed to light of a given wavelength where the wavelength of light is absorbed at a particular location of the eye to be treated. The light source has a wavelength within the excitation range of the photosensitizer and matched to the location of the diseased eye tissue. The light source also has an irradiance level and energy level that is effective for therapy but at levels below the maximum permissible exposure level.
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