A treatise on some practical points relating to the diseases of the eye / by the late John Cunningham Saunders; to which is added, a short account of the author's life, and his method of curing the congenital cataract, by his friend and colleague, J. R. Farre. The whole illustrated by colour engravings.

  • Saunders, John Cunningham, 1773-1810.
Date:
1811
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on some practical points relating to the diseases of the eye / by the late John Cunningham Saunders; to which is added, a short account of the author's life, and his method of curing the congenital cataract, by his friend and colleague, J. R. Farre. The whole illustrated by colour engravings. 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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    516 Fig. 4. Represents the speculum. This instrument has been varied from Pellier’s in its form arid in the manner of using it. Pellier applied the curved extremity upon the upper eye-lid ; but as the author intro- duced the bow of the instrument under the upper eye-lid, the extent of the curve is diminished. Pellier’s had both extremities alike, the author’s has a smaller and a larger curve, which may be adapted to the eye of the child or the adult. It is convenient to have several of these instruments, differing in the size of the wire, and in the breadth of the curve. The continued lines at each end of this figure are intended for the admeasurement of the small and large ends of a middle sized speculum, and the dotted lines mark the commencement, and degree of the curve. The instruments were made by Mr. William Smith, of St. Saviour’s Church Yard, who was always employed by the author for that purpose, and is the instrument-maker to the Infirmary. FINIS. J. M'Creery. Printer, Black-IIorse-Court, Fleet-Street, London. /