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PRINTED FOR RICHARD PHILLIPS, NO. 6, BRIDGE-STREET,
By William Thorne, Red Lion Court, Fleet Street,
Medical and Physical Journal.
Printed for R. PHILLIPS, by W. Thorne, Red Lion Court, Fleet Street, London.
OBSERVATIONS ON SELECT SUBJECTS IN SURGERY.
BY MR. SIMMONS.
Sequel of the Case of DivisioN OF THE Iris.
In volume xv. page 4, I have narrated the circuin
stances of a case, in which I had used the couching needle of Mr. Hey with success, to divide a contraction of the iris. The enlargement of the pupil, it was said, had exposed a cataract, for the removal of which the necessity of another operation was apprehended. In this opinion, however, I was mistaken ; for, a few days after the operation, on observing a ragged portion of the opake crystalline anterior to the iris, I advised delay, and finding at my subsequent examinations, that it still continued to diminish in a gradual manner, under an injunction to return to the Infirmary, I made him an out-patient. On the 24th of February, 1806, he came alone into the out-patients room, and told me that he could see. The
presented no vestige of a cataract; the pupil was longitudinal in shape, transversely to the face ; but the iris was still immovable.
Mr. Kite, in his paper on the Recommendation of Electricity, for the cure of cataract, illustrated by a case,' (London Medical Journal, Vol. vii. p. 146, Anno 1736) has the following passage : The real causes of these opacities are probably unknown ; but when we recollect that the capsula of the crystalline humour is supplied with can pillary vessels from some of the small ramifications of the ocular artery, and that these vessels have been seen running from the capsula into the body of the hunour itself, we can easily conceive that inflammation and obstruction may, upon the application of certain exciting causes, just (No. 89.)