Few subjects have claimed more of the attention of the research worker, the internist and the anatomist in the past decade than the function, anatomy, pathology and interrelation of the ductless glands. As a result, our knowledge of these matters has been greatly increased and the literature has now reached voluminous proportions.
The increasing interest in these organs by the ophthalmologist is well shown by the fact that since I began collating the literature for this address two other essayists have anticipated me. In January of this year there appeared an admirable summary of the established facts in the relation between the internal secretions and the eye by the late Dr. Schirmer, and a less comprehensive article by Lisser in September, 1916, from both of which I have freely drawn.
It is my purpose to bring to your attention not only facts but also what is still within the domain