DERMATOMYOSITIS is a rare disease of unknown etiology. The inflammation of the skin and muscles may take an acute or a chronic course, and death follows in most cases. A new interest in this disease is aroused by the favorable effect of corticotropin (ACTH) in the group of collagenous diseases, of which dermatomyositis forms a part. Reports of ocular involvement are few. Bruce1was the first to give a thorough description of the retinopathy in three cases: indefinite yellow-gray patches and hemorrhages both in the superficial and in the deep retinal layers. Two of the patients recovered, and the retinopathy disappeared. Histological examination of the posterior segment in his third case showed groups of cytoid bodies in the nerve-fiber layer, albuminous deposits in the outer layers, and small hemorrhages. Lisman2reported another case with retinal exudates, mostly superficial and of transient character. Examination of the sectioned eye showed