Photodynamic therapy combines the application of low intensity light with the administration of a photosensitizing agent to produce localized tissue damage and limit thermal damage to surrounding . Ocular photodynamic therapy opt ocular photodynamic therapy opt is used in the treatment of ophthalmologic diseases opt is only covered when used in conjunction with verteporfin see section 803 photosensitive drugs. Photodynamic therapy is well established as a treatment for a number of conditions in ophthalmology principally in the field of medical retina but less so in ocular oncology cancer of the eye is rare the commonest lesions to affect the globe being . Photodynamic therapy pdt introduced to ophthalmology in 20001 is a therapeutic procedure which utilizes the photosensitive intravenous drug verteporfin visudyne bausch lomb in combination with a low power long duration infrared laser in the eye it is used to treat vascular issues in the retina and choroid it was first indicated for neovascular age related macular degeneration . Photodynamic therapy is recommended only as a possible therapy for the wet type of the disease photodynamic therapy cant restore vision that you have already lost but it may slow down the damage to your central vision photodynamic therapy is an option only for certain people with wet type amd
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