A manual of the principles and practice of ophthalmic medicine and surgery / by T. Wharton Jones.

  • Jones, Thomas Wharton, 1808-1891
Date:
1847
Catalogue details

Licence: Public Domain Mark

Credit: A manual of the principles and practice of ophthalmic medicine and surgery / by T. Wharton Jones. Source: Wellcome Collection.

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    Fig. 78. 2186. Cauterization.—The escha- rotic most commonly used for this purpose is concentrated sulphuric acid. By means of a pencil of wood, the acid is to be rubbed over an oval portion of the integuments of a length corresponding to the inver- sion, and about one quarter of an inch broad in the middle. After a few minutes the eyelid is to be dried with a bit of lint and the application of the acid repeated, and this again and again, until a sufficient contrac- tion of the skin is produced so as to bring the eyelid into its proper position. It may be necessary after a time to repeat the application of the acid. 2187. Cauterization is not admis- sible in cases where the skin is very superabundant. It is best adapted for slight and recent cases in young persons. 2188. Subcutaneous section of the orbicularis palpebrarum muscle.— This has been performed with suc- cess in cases of entropium from confirmed contraction of the orbicu- laris. Entropium from a contracted and deformed state of the tarsal car- tilage. 2189. The upper eyelid is as liable to this form of entropium as the lower; very often both are affected together. 2190. In long continued ophthal- mia tarsi, or catarrhal or scrofulous conjunctivitis, the tarsal cartilage suffers. It becomes indurated and