Lectures on diseases of the eye / By John Morgan; edited by John F. France.

  • Morgan, John, 1797-1847.
Date:
1848
Catalogue details

Licence: Public Domain Mark

Credit: Lectures on diseases of the eye / By John Morgan; edited by John F. France. Source: Wellcome Collection.

    192/330 (page 162)
    RETINITIS. The first idiopathic disease of the Retina which I shall describe is inflammation. History and Symptoms.—Inflammation of the retina, or Retinitis, is an extremely rare disease, and almost always destroys vision : we are unacquainted with the causes of the complaint, but its characters are so well marked, that in practice it can never be mistaken. The symptoms are intolerable and distracting pain darting from the globe to the back of the head, percep¬ tion of bright sparks and flashes of light, and total blindness in one or two hours. On examining the eye there is no evidence of inflammation in the outer tunics, the pupil is widely dilated and motionless, and the stimulus of light produces no aggravation of the symptoms; increased irritability produces intolerance, but acute inflammation of the retina creates total paralysis. The choroid and sclerotic become inflamed in the progress of the disease; * but the sight is always destroyed before any marks of increased vascularity arise. Treatment.—The treatment is too clearly indicated to require minute description : active general depletion of * Plate 6, fig. 1.