A lecture on the anatomy, physiology, and pathology of the eye / [Thomas Firth].

  • Firth, Thomas
Date:
[1831]
Catalogue details

Licence: Public Domain Mark

Credit: A lecture on the anatomy, physiology, and pathology of the eye / [Thomas Firth]. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    1? nea Lucida, in consequence of its being transparent, and it also is represented in the diagram, plate II., fig. 3. The posterior surface of the cornea opake is perforated by the optic nerve, which you observe projectiug from it, and is also represented in the diagram before you, plate IT., fig. 5. The sclerotic coat is liable to suffer from rheumatic inflam- mation, and if it is not treated very actively, will terminate, in many constitutions, in entire loss of vision. About twelve months ago, I was requested to visit a lady one hundred and fifty miles from London, whose sight had been entirely destroyed by this kind of inflammation. She informed me that three years before the time of my seeing her, a slight inflammation in both eyes made its appearance, which after- wards became so severe, that it resisted all the remedies that were made use of, and that she had been two years in total darkness. On examining the eye, it was evident that no remedy, however judiciously administered, could be of any service, the whole structure of the eye being entirely disorganised. Another protracted case of this kind has very recently come under my care; and if the representation of the gen- tleman be correct, his medical attendants had altogether mistook the nature of the case. I beg leave, however, to observe, that you must not always give ear to the railings which are directed against medical men ; for such is the opinion of some, that no one can be skilful without he can cure incurable diseases. But to proceed in the description of this case, I beg leave to observe, that on examining the eye a green appearance presented itself in the centre of the pupil, with loss of action of the iris. The contractile power of the iris had been destroyed by the application of bella- donna, as stated by the patient, and the vision was nearly extinct. There was evident deposition of lymph into the aqueous humour, notwithstanding from the benefit already B
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