Preserving vision with verteporfin photodynamic therapy

Wet age-related macular degeneration (AMD) is the leading cause of blindness in the elderly population. Verteporfin photodynamic therapy (PDT) is significantly effective in preventing visual loss in patients with subfoveal choroidal neovascularization caused by exudative AMD. This article reviews verteporfin PDT and discusses treatment and evolving appraisal guidance.