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The Action of the Constant Current in Electricity Applied to the Brain Especially as Concerns the Eye.
—Dr. Gillet de Grandmont in the Recueil d' Ophthalmologie (August) after a series of experimental researches, reviews this subject at considerable length. In using this means for the relief of eye affections, he places the negative pole on the forehead near the termination of one of the branches of the tri-facial nerve, while the positive pole is placed near the superior conical ganglion of the sympathetic. The impression produced shows itself in various ways, viz., by flashes of light which are indicative of an irritation of the optic nerve and a corresponding disturbance of the retinal elements, and serves as a means of diagnosis to determine the degree of alteration of the retina. When, for example, an amaurotic does not see the brilliant blue light, but a feeble yellow glimmer, the prognosis would
Conn GP. MEDICAL PROGRESS. JAMA. 1883;I(18):534–538. doi:10.1001/jama.1883.02390180014002
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