A practical treatise on the diseases of the eye / [John Vetch].

  • Vetch, John, 1783-1835
Date:
1820
Catalogue details

Licence: Public Domain Mark

Credit: A practical treatise on the diseases of the eye / [John Vetch]. Source: Wellcome Collection.

    50/300 (page 32)
    cient structure of the organ, has led to two oppo- site errors in practice. An inflammatory or con- gestive state of the deeper seated parts of the organ, so far from being accompanied by an augmented sensibility, more frequently occasions a contrary state; while, on the other hand, that weakness of sight, or inability to use the eyes in a strong light, often indicates an obscure inflammation in the scle- rotic coat, affording two examples of inflammation attended by symptoms the reverse of each other ; both require the employment of antiphlogistic are remedies, and both often aggravated by pur- suing a contrary practice.* When the vessels of the sclerotic have pushed forwards into the structure of the cornea, others of a larger and darker colour soon become visible, belonging to the conjunctiva, and proceeding from the cornea to the duplica- ture of the membrane on the palpebre, the internal surface of which, in the advanced stage of the dis- ease, becomes inflamed also. The internal membrane of the cornea, or what has been gratuitously named the membrane of the aqueous humour, has been described as a principal seat of corneal inflammation. I am not aware of any symptoms which characterize the inflammation of this part of the cornea in particular. An increase of the aqueous hu- * For the good effects attending the antiphlogistic treatment of this affection, see an Essay by Mr. Stevenson.