This communication deals with a case of idiopathic retinal detachment of short duration which became available for pathologic study. The number of cases in which eyes have been enucleated within three months after the onset of an idiopathic detachment is small, and because of the greater efficiency of the modern therapeutic methods the number is not likely to increase in the near future. The rarity of such pathologic reports may justify this paper. REPORT OF A CASE History.—A man, aged 54, of Anglo-Saxon ancestry, had spent most of life in the Far East doing office work. He had had a moderate degree of myopia all his life and had worn lenses varying from —1.75 to —2.50 for each eye. About the middle of February 1934 he noticed small black spots in front of the right eye. On March 2 he became aware of a defect in the