Notwithstanding recent advances in ophthalmic diagnosis and treatment, a great number of cases of acute and chronic uveitis are seen in which exhaustive search reveals no etiologic factor. This article is limited to a résumé of the usual treatment in such cases. Complications are not considered.
Since in all cases of acute and in some of chronic uveitis mydriatics are used, their selection, dosage and method of administration are interesting. Atropine sulphate, U. S. P., is the mydriatic of choice, the strength varying from 1 to 5 per cent in solution to actual crystals. The weaker solutions with often repeated applications are preferable to those of greater strength. Since atropine sulphate is absorbed best through the cornea, instillations made with the patient lying down give better results, for a more satisfactory corneal contact is thus obtained. Subconjunctival injections of cocaine hydrochloride, U. S. P., epinephrine hydrochloride, U.