. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . out 2 mil. Apply a 4 per cent,cocaine solution to relieve pain. Insert the fine brooch to thedepth of the hair follicle and in the direction of the hair steadily in place and complete the circuit by touching thetip of the positive cord upon the positive terminal post of thebattery. This must be done, when needed, by the patient orassistant who holds the tip. As soon as froth is seen to bubble up about the needle—ittakes but a moment—have the tip removed from the positive
. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . out 2 mil. Apply a 4 per cent,cocaine solution to relieve pain. Insert the fine brooch to thedepth of the hair follicle and in the direction of the hair steadily in place and complete the circuit by touching thetip of the positive cord upon the positive terminal post of thebattery. This must be done, when needed, by the patient orassistant who holds the tip. As soon as froth is seen to bubble up about the needle—ittakes but a moment—have the tip removed from the positivecontact to break the circuit. Withdraw the needle and thehair should pull out without resistance if it has been properlyloosened by the electrolytic action. If there are a number of hairs to be destroyed repeat theprocess at a single sitting only upon a portion in order to con-sult the comfort of the patient as well as the operators con- 956 ELECTRICAL TREATMENT OF THE EYE. venience. Some pain occurs during the process, and if theroot of the hair is not entirely destroyed it may grow again. ISiiiLiiiltunl. Fig. 395. Neiswangers magnifying glass, mounted on head band. (Mcljttosk.) In the operation for the removal of superfluous hair by elec-trolysis, a good magnifying glass is an essential requisite, andas it is a matter of great inconvenience to use the ordinary glass(both hands being already employed with needle and forceps)the above has been devised. It is light and convenient, andcan be used on the head of the operator or patient. Beingprovided with two ball and socket joints it is easily andquickly adjusted, and the focal distance being five inches,allows of ample working room between the glass and seat ofoperation. Keratitis.—Galvanic—Apply an ordinary sponge or feltcovered, flat electrode to the back of the neck and connect it
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