title: Effectiveness of the light visor.
authors.forename: G
authors.initials: G
authors.lastname: Wallace
mesh_terms: D006801:Humans; D008027:Light; D010789:Phototherapy / Q000295:instrumentation / Q000379:methods*; D011482:Protective Devices; D012107:Research Design / Q000592:standards; D016574:Seasonal Affective Disorder / Q000628:therapy*; D016896:Treatment Outcome