This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. C. B., a man aged 62, wearing a corrective lens for high myopia and astigmatism (a —6.00 D. sph. —4.00 D. cyl., ax. 70), came to my office in September 1932 with the complaint of blurred vision in the left eye. He had some nodular swellings on his body which he said were caused by eating certain food. Examination of the eyeground showed considerable opacity of the lens and what appeared to be corrugation on the fundus. The blood vessels appeared to be curving and dipping. The patient was told that the fundus had the appearance of beginning retinal detachment. He was put flat on his back and blindfolded for two weeks. As a result the fundus regained its normal appearance, and vision returned to normal. During the Christmas holidays, three months later, when the patient was eating more than usual, he had nodular swellings on his body