A girl, aged 5 years, had a nonconcomitant convergent strabismus due, apparently, to a bilateral palsy of the abducens. Neither eye could be abducted beyond the midline, and adduction, although not measured instrumentally, seemed to show some deficiency of the interni. Both facial nerves were intact, and a general physical examination revealed nothing out of the ordinary.
Although a letter was written to the obstetrician, there was no information about the birth of the child available except from the mother, who stated that there was nothing unusual in the delivery so far as she knew. There was one brother two years younger than the patient who had had some thoracic difficulty when quite young and was seen in the free clinic at Cleveland City Hospital, where an x-ray plate was reported as showing an enlarged thymus gland. This child was seen again later, and, as there had been no
PHILLIPS WH, DIRION JK, GRAVES GO. CONGENITAL BILATERAL PALSY OF THE ABDUCENS. Arch Ophthalmol. 1932;8(3):355–364. doi:10.1001/archopht.1932.00820160045003