The conflicting points of view evidenced by a study of the literature indicate the difficulties that have been encountered by those who since the days of Koch have endeavored with all the energies at their command to arrive at a proper evaluation of tuberculin as a therapeutic agent. The position of the ophthalmologist who contemplates the use of tuberculin is especially difficult. Tuberculin is not generally employed by internists in this country in the treatment for tuberculosis, and its use by the ophthalmologist is likely to be looked on by the family physician with disapproval. There is a prevailing opinion among internists that the diagnosis of ocular tuberculosis must be supported by decided evidence of pulmonary tuberculosis. There is also a skepticism among nonophthalmologists as to the occurrence of ocular tuberculosis, except in rare instances. Rest, hygiene and dietetic measures in the treatment for tuberculosis are not fraught