Aids to ophtalmic medicine and surgery / by Jomathan Hutchinson.

  • Hutchinson, Jonathan, 1859-1933.
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: Aids to ophtalmic medicine and surgery / by Jomathan Hutchinson. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

    15/110 (page 15)
    cases of pannus, and the latter has sometimes been very success- ful ; but both measures are very uncertain in their results and are now rarely employed. With inoculation there is a risk of causing sloughing of the cornea, or panophthalmitis, a danger from which peritomy is free. Herpes of the Cornea.—Sometimes small vesicles are met with in the course of herpes frontalis or nasalis, with or without iritis. In old glaucomatous cases, or in eyes lost from some other cause, small bullre may form on the cornea, and occasionally herpetic vesicles develop in connection with a febrile attack (as in herpes of the lips). Finally, herpes of the cornea appears to occur very rarely as an independent affection, the cause of which is perfectly obscure. There is then much pain, photo- phobia, etc., and the treatment advised is the use of calomel powder or destroying the vesicle walls. It may be noted that impaired nerve supply to the cornea is one cause of ulceration of its surface, as in paralysis of the fifth nerve. If the lids cannot cover the eye, as in facial paralysis, or severe exophthalmic goitre, ulcers may form on the cornea. INTERSTITIAL KERATITIS. This peculiar form of corneal disease generally affects both eyes, though not always at the same time, and is most common between the ages of six and sixteen, though sometimes it develops as late as thirty or thirty-five. Relapses, though in- frequent, are not unknown, sometimes occurring after an interval of many years. Two chief types are met with :—1. A ground- glass opacity of the whole cornea. 2. Vascularity of the sub- stance, a great number of the vessels giving a red or pink colour. These two conditions are, however, frequently seen together. Typical interstitial keratitis may be considered to be always due to inherited syphilis, which reveals itself by one or other of the following signs. The most important, perhaps, is the malformation of the permanent teeth, especially the upper central incisors. These are narrower at their cutting edge than