RETINAL PERIPHLEBITIS IN THE COURSE OF ACUTE EXUDATIVE CHOROIDITIS

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Abstract
During the course of acute exudative choroiditis 2 patients presented periphlebitic changes in the retinal veins. These changes developed in the early stage, when the disturbance of the vitreous was pronounced; they remained stationary for some months and then cleared up without leaving any ophthalmoscopic changes in the veins. They affected only the retinal veins, and the veins were involved without reference to the location of the choroidal exudate. The veins were congested but not tortuous, and the perilymphatic sheathing was distinct, covering the veins like a veil. At regular intervals the sheaths presented ampulliform distentions, usually at right angles to the course of the vein. At these places the red color of the vein was masked so that the blood column appeared interrupted and the picture resembled that of a pussy willow. Some of the veins showed only sheathing, without the ampulliform dilatations. The arteries presented no anomaly. There

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