A manual of the diseases of the eye, or, treatise on ophthalmology / revised and enlarged by H. Houston.

  • Littell, S (Squier), 1803-1886.
Date:
1840
Catalogue details

Licence: Public Domain Mark

Credit: A manual of the diseases of the eye, or, treatise on ophthalmology / revised and enlarged by H. Houston. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    clicular to the tarsal margin, through the whole breadth of the eyehd. The tumour having been exposed, is secured by mean« of a hook or ligature, and the dissection carefully performed with a common scalpel. When the operation is performed through the conjunctiva, it will be requisite previously to divide the external commissure of the lids; the edges of the wound should afterwards be carefully approximated, retained in their position by suture, and the subsequent inflammation moderated by cold appli- catfons and other appropriate remedies. The affection known under the name of Aneurism by anastomosis, sometimes has its seat within the orbit, and is recognized by pain in the eye and head, accompanied with a throbbing, rushing, or thrilling sensation, [which is communicated to the hand apphed to the eye,] humming in the ears, and protrusion of the eyeball. Its effects upon the organ of vision are often very serious,—inflammation ensues, pus is effused within the globe, and between the lamellae of the cornea, sloughing or ulceration follows, and the humours are discharged. The apphcation of a ligature to the carotid of the affected side, is the only remedy, and several instances are recorded in which this operation has been successfully performed. [Messrs. Travers and Dalrymple have found it necessary to tie the carotid artery in two cases of aneurism by anas- tomosis, which they did with perfect success. EXOSTOSIS OF THE ORBIT. [Exostosis of the orbit sometimes occurs in persons aflPected with syphilis or scrofula; and gives rise to the same symptoms as encysted tumours in the orbit. When it presses upon the optic nerve it produces blindness. If