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Shell-shock: Hysterical blindness. Signs of cerebrospinal syphilis: Nevertheless, amaurosis functional.

Case 29. (Laignel-Lavastine and Courbon, March, 1916.)

A soldier of the class of 1906 underwent shell-shock August 13, 1914, regaining consciousness 20 days later, but blind. The light of the shellburst, he said, was the last thing he had seen.

For sixteen months, he was transferred from hospital to hospital, looked on sometimes as blinded; sometimes as feigning. Finally, on the isolation service of Maison-Blanche, December 15, 1915, he received an ophthalmologist’s diagnosis namely, hysterical amaurosis. At this time there were found: stereotyped winking, with slight lachrymation, a slight left external strabismus, limitation in movement of all the extrinsic muscles of both eyes, especially to the right and in convergence and elevation; pupils slightly smaller than normal—and the general impression of a genuinely blinded or amblyopic subject. He seemed to be able to distinguish faint whitish spots, without contour or color, in objects brought to a distance of at least 40 cm.

He also complained of bad feelings inside his head on the left side, and he proved to have a left-sided hemianesthesia of hysterical nature. There were no other sensory disorders and no reflex disorders.

The nasolabial fold on the left side was flattened out, and there was also on the same side a slight diminution in the lower abdominal skin reflexes, and no response to plantar stimulation. Examination of the mouth showed leucoplakia, and the history showed that the man’s fifth child was born before term and died at two months. Lumbar puncture yielded lymphocytosis (55 cells) and an excess of albumin. The fundus examination showed a slight papillary disorder, suggesting a retrobulbar affection of the optic nerves.

However, the preservation of the pupil reflexes seemed to indicate that nine-tenths, at least, of the amaurosis was functional. After mercurial treatment the headache grew less and the man was able to see somewhat better with his right eye.

Laignel-Lavastine and Courbon suggest that there was a dynamic disorder in this case, bearing the same relation to vision as mental confusion bears to the process of ideation. Analogous phenomena have been found in the sense of hearing, in such wise that the victims can, as it were, passively hear but do not listen.

Re functional eye cases, see below, especially Cases 432–437.