During the past 10 years the Retina Service of the Massachusetts Eye and Ear Infirmary has attempted to serve the difficult function of helping not only with the diagnosis and treatment of retinal detachments but also with that of other fundus conditions. This series of articles is intended to describe and discuss salient findings and results of therapy in a number of cases of intraocular tumors. The first report concerns a patient with bilateral hemangioma of the choroid who was seen by many excellent ophthalmologists over a period of years before the correct diagnosis was finally made. The tentative diagnoses proposed by these ophthalmologists serve to emphasize the different possibilities which must be considered in this condition. Hemangioma of the choroid is difficult to recognize prior to enucleation, and a review of this patient's history should make us more aware of this condition and perhaps avoid needless enucleation and misdirected