Effect of lesion size, visual acuity, and lesion composition on visual acuity change with and without verteporfin therapy for choroidal neovascularization secondary to age-related macular degeneration: TAP and VIP Report #1. Treatment of age-related macular degeneration with photodynamic therapy (TAP) and verteporfin in photodynamic therapy (VIP) study groups. (Am J Ophthalmol, 2003)