title: To mask or not to mask.
authors.forename: Roy W
authors.initials: RW
authors.lastname: Beck
mesh_terms: D020256:Choroidal Neovascularization / Q000188:drug therapy* / Q000503:physiopathology; D006801:Humans; D017075:Laser Coagulation; D008268:Macular Degeneration / Q000188:drug therapy* / Q000503:physiopathology; D010778:Photochemotherapy; D017319:Photosensitizing Agents / Q000627:therapeutic use; D010919:Placebos / Q000592:standards*; D011166:Porphyrins / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D016896:Treatment Outcome; D000077362:Verteporfin; D014792:Visual Acuity / Q000502:physiology*
chemical_list: D017319:Photosensitizing Agents; D010919:Placebos; D011166:Porphyrins; D000077362:Verteporfin