. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . to circuit with the rapid vibrator and twoor three cells. Increase the current strength through thesecondary rheostat until a warm and comfortable tension uponthe muscles is produced. At the slightest sensation of painreduce the current strength. Fig. 389. Ordinary sponge-covered hand electrode. Slowly manipulate the eye electrode over the lid andupon the attachment of the affected muscles. In aboutten minutes reduce current to zero, switch from the rapid tothe slow vibrator adjus
. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . to circuit with the rapid vibrator and twoor three cells. Increase the current strength through thesecondary rheostat until a warm and comfortable tension uponthe muscles is produced. At the slightest sensation of painreduce the current strength. Fig. 389. Ordinary sponge-covered hand electrode. Slowly manipulate the eye electrode over the lid andupon the attachment of the affected muscles. In aboutten minutes reduce current to zero, switch from the rapid tothe slow vibrator adjusted to about 100 periods per minute, 951 952 ELECTRICAL TREATMENT OF THE EYE. and cause nutritional contractions of the paralyzed muscles fortwo or three minutes at first and for five minutes when im-provement has progressed. Repeat treatment every second day until benefit is estab-lished, then three times a week until improvement ceases. Twitching of the Palpebral or Orbicularis Muscle.—Gal-vanic.—An ordinary sponge-covered hand electrode may beheld by the patient and pressed upon the back of the neck or. Fig. 390. Ordinary sponge-covered hand electrode. in front of the base of the ear and connected with the negativepole of galvanic apparatus. Press a small positive sponge-covered electrode upon the irritable muscle and pass a constantgalvanic current of from 5 to 8 mil., for about five daily. A few applications will usually relieve. Acute Ophthalmia from Traumatism, Foreign Body in Eye,etc.—Faradic.—Press a negative sponge or felt covered elec-trode upon back of the neck. Wet a thick soft sponge orsufficient absorbent cotton in hot soda-bicarbonate solution,place it ttpon the closed eyelidand over it press gently anordinary hand electrode connected with the positive pole ofthe high-tension coil apparatus. Switch the combined 2,500 yards of secondary coil, rapidvibrator and two cells into circuit. Gently develop thecurrent through the rheostat until a se
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