As shown in the illustrations, the patient, who has normally a slight condition of exophthalmos, is able to dislocate at will either eye separately or the two simultaneously out of the orbit. The maneuver is performed without apparent discomfort or effort, and the eyeballs return to the orbit with equal ease and control.
In looking over the medical literature available, I find that a similar case was reported, July 20, 1928, by Dr. Horacio Ferrer1 of Havana, Cuba. Owing to its interest and rarity, I feel warranted in presenting the case.
Linton Perry, a Negro boy, aged 11 years, is from the rural section of southern Georgia. He has two sisters and one brother, all normal. His eyes have always been rather prominent. About three years ago he first noticed that he was able to perform this maneuver of propulsion of the eyeballs. At first it was necessary to
Smith JA. VOLUNTARY PROPULSION OF BOTH EYEBALLS. JAMA. 1932;98(5):398. doi:10.1001/jama.1932.27320310001009
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