Collection: 01-internacional Database: MEDLINE Main subject: Glaucoma / Blindness Type of study: Screening_studies Limits: Adolescent / Adult / Aged / Child / Child, preschool / Female / Humans / Infant / Male / Middle aged Country/Region as subject: Europa Language: En Journal: Acta Ophthalmol (Copenh) Year: 1967 Document type: Article Country of publication: Denmark