Ophthalmic and otic memoranda / By D.B.St. John Roosa ... and Edward T. Ely.

  • Ely, Edward T. (Edward Talbot), 1850-1885
Date:
[1885]
Catalogue details

Licence: Public Domain Mark

Credit: Ophthalmic and otic memoranda / By D.B.St. John Roosa ... and Edward T. Ely. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

    161/326 (page 139)
    from pressure upon nerve and obstruction to its circulation. Occurs in connection with abscess, periostitis and tumors of orbit, basilar meningitis, tumors of brain, collection of fluid between sheaths of nerve, etc. Is called ascending or descending, according as it originates in eye and extends upward along nerve, or vice versa. Ophthalmoscopic ap- pearances are due to hyperemia, exudation and swelling. In marked case, disc looks red, opaque and prominent,with margins very indistinct, giving it a woolly appearance. Vessels are seen dipping into swollen mass and partly obscured by it. Veins distended tortuous and pulsating. This condition i? called engorged papilla, staunngs papilla, [Ger. stauen, to dam], or choked disc. Vision impaired—but often less so than appearance of disc would indicate. Process usually ends in atrophy of nerve and permanent loss of sight. Neuritis generally associated with re- tinitis as neuro-retinitis. Treatment varies with cause, and this is sometimes beyond reach of any remedies. Rest, and blue glasses are always proper. Leeches, mercury, iodide and bromide of potash are of service in some cases. Atrophy of Optic Nerve results from inflammation, and from other disturbances of innervation and nutrition, some of which are but little understood. Seen with diseases of brain and spinal cord; diseases of orbit t