The beard and the hair of the
Duke of Brunswick whitened in twenty-four hours after hearing
that his father had been mortally wounded at the battle of
Auerstadt.
De Schweinitz speaks of a well-formed and healthy brunette of
eighteen in whom the middle portion of the cilia of the right
upper eyelid and a number of the hairs of the lower lid turned
white in a week. Both eyes were myopic, but no other cause could
be assigned. Another similar case is cited by Hirshberg, and the
authors have seen similar cases. Thornton of Margate records the
case of a lady in whom the hair of the left eyebrow and eyelashes
began to turn white after a fortnight of sudden grief, and within
a week all the hair of these regions was quite white and remained
so. No other part was affected nor was there any other symptom.
After a traumatic ophthalmitis of the left and sympathetic
inflammation of the right eye in a boy of nine, Schenck observed
that a group of cilia of the right upper lid and nearly all the
lashes of the upper lid of the left eye, which had been
enucleated, turned silvery-white in a short time. Ludwig has
known the eyelashes to become white after small-pox.
Communications are also on record of local decolorization of the
eyebrows and lashes in neuralgias of isolated branches of the
trigeminus, especially of the supraorbital nerve.
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