Purpose To evaluate short term visual acuity effects of a single photodynamic therapy(PDT) treatment with Visudyne (CIBA Vision Corp, Duluth, Ga) for choroidal neovascularization (CNV) in age related macular degeneration (AMD).

• 目的 观察单次光动力治疗 (photodynamic therapy,PDT)对渗出型老年性黄斑变性 (age-related macular degeneration,AMD)脉络膜新生血管 (choroidal neovascularization,CNV)的近期治疗效果。