An essay on the malformations and congenital diseases of the organs of sight / by W.R. Wilde.

  • Wilde, W. R. (William Robert), 1815-1876.
Date:
1862
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the malformations and congenital diseases of the organs of sight / by W.R. Wilde. Source: Wellcome Collection.

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    {NcBvus Lipomatodes). From the drawing, and his own descriptions this appears to have been more of a mole than an aneurismal tumour, and the hairs of the brow were con- tinued down on the Hd, nearly to the ciliary border; the brown colour likewise advanced over the tarsal margin to the conjunctiva. But by far the most curious case figured by this writer is one which came under his own observation, in which all the non-transparent tissues of the eye, as well as the lids, both within and without, were stained of a deep blue, much deeper than that exhibited in the general mor- bus caeruleus, and proceeding, in all likelihood, from some disease in the orbital veins. MALFORMATIONS OF THE LACHRYMAL ORGANS. Malformations and congenital diseases of the secreting and excreting lachrymatory apparatus are of exceeding rare occurrence, except in those instances in which there is some well-marked arrested development in those parts of the organs of sight to which they are subservient. Trichiasis carunculce lachrymalis, or the growth of hairs from the carun- cle, is reported by authors as a congenital defect; but the anatomical fact of several small light-coloured cilia, growing from the surface of this conglomerate mucous gland, is so well established at present that few writers will fall into this mistake for the future, or apply the term disease or mal- formation to what is evidently a natural and regular occur- rence. Each duct, says Mr. Dalrymple, in his admirable treatise on the anatomy of the human eye, is garnished with a minute hdr planted close to its orifice. That these hairs do, occasionally, in after life, assume an irregular and morbid growth, so as to excite considerable uneasiness in the inner canthus of the eye, is a well-estabUshed disease, though one of exceeding rarity, and to this the term Trichia- sis Carunculaemay with justice be applied ; but certainly not to the ordinary, though minute growth of hair, which may always be found, by accurate observation, covering the se- cond lachrymal gland, as in olden times it was denominated.