It has been observed that a patient suffering from rheumatic pains and joints is very often relieved by the application of incandescent light either locally by means of one, two, or three bulbs with a metal reflector, or by a more general application in the form of the electric light bath. Although much is written in the literature on light as a therapeutic agent, we have been unable to find any previous work done to bring out experimentally this particular phase of treatment.
The following is the report of a study of experimental arthritis in rabbits and its treatment by means of the incandescent electric light.
Preliminary standardizations were made to ascertain: (1) The amount of light that could be used on a normal rabbit without causing distress, loss of weight, or an increase in temperature; (2) the dosage of an organism that would produce in all cases an arthritis
SIMMONDS WE, MOORE JJ. THE EFFECT OF CONTINUOUS ELECTRIC LIGHT IN EXPERIMENTAL ARTHRITIS. Arch Intern Med (Chic). 1916;XVII(1):78–81. doi:10.1001/archinte.1916.00080070096006