Practical observations in surgery / Illustrated with cases by William Hey.

  • Hey, William, 1736-1819.
Date:
1803
Catalogue details

Licence: Public Domain Mark

Credit: Practical observations in surgery / Illustrated with cases by William Hey. Source: Wellcome Collection.

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    or even his inftrument, I fhall make no reflec- tions on his work, but fincerely with, that his new mode may be found fuperior in utility to “any that has been hitherto practifed. The term Cataraé, when applied to the eye, is ufually defined’ to be, an opacity of the cryfialline humour, or its capfule. 'This defi- nition gives a juit idea of the nature of the dif- eale, but leads to an incorrectnefs 3 in language, when {peaking on the fubject. Opacity, being only a ‘quality of the cryftalline, cannot be deprefied | or extracted. It is the cryftalline ~~ ttfelf, or its capfule that is the fubject of ope- ration. We ought, therefore, to fay, that the © term cataraé either expreffes an opacity of the cryftalline, or the cryftalline itfelf in an opake ftate. After this definition, we can {peak with propriety. of breaking, deprefiing, or extracting a cataract. “My: own experience having led me to pre- fer the mode of depreffion, I fhall lay before — my reader fuch obfervations on that method of operating, as a practice of thirty-three ysprs” has “enabled me to make; and: fall aa #4] enteree upon the profeffion of Sania y in the ven 1759, but did not begin to perform this operation till the year'1768. Since that time, thé cafes of Catara& which have come under: my care bee been fomewhat numerous. - fubjomn