SUBHYALOID AND VITREOUS HEMORRHAGES

This paper is a study of a subject of which we confessedly know very little, and is undertaken for the following reasons: 1. Its importance. 2. The possibility that what I shall call the "new attitude" of members of this Section toward ocular lesions of uncertain etiology may, during discussion, bring out important truths. At any rate, this "attitude" means that oculists are awakening to their own responsibility of tracing systemic causes. not simply making the diagnosis of ocular condition and referring patient and diagnosis to some physician, who, the oculist is often sure, will go no farther. This mental change on our own part is worthy of emphasis, and if, for the time being, we can do little more than recognize the problems, we should keep their existence constantly before us. Their nature may be briefly stated: Syphilis, tuberculosis, rheumatism are thought to be the most prolific causes of