Copy 1, Volume 2

The study of medicine. Containing all the author's ... improvements / [John Mason Good].

  • John Mason Good
Date:
1829
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Licence: Public Domain Mark

Credit: The study of medicine. Containing all the author's ... improvements / [John Mason Good]. Source: Wellcome Collection.

    579/724 (page 569)
    As in the arrangement of inflammation of the eye, Gey. VIII. adopted in this edition, inflammation of the iris is classed an wet as a variety of internal ophthalmy, and not as a species, no interna. particular definition of it is placed as a leading head at « Ivitis. the beginning of this section. Yet, as that inserted by Dr. Good is correct and instructive, it may be as well here to repeat it. ] Inflammation commencing in the iris; colour of the part changed to green or reddish ; fibres less moveable, and shooting dentiform processes into the pupil; pupil irregu- larly contracted and grayish. Dr. Schmidt of Vienna, to whom we are chiefly in- Tye iritis of debted for an accurate description of this species, has Schmidt: denominated it Jritis* ; and under this name it has of late years been described by many practical surgeons in our own country. The termination, however, is unclassical, put the and if the derivative be retained, it should unquestionably me nv be iriditis, instead of iritis ; but ophthalmia zridis is better, as the disease is very clearly a species of a connexive genus of diseases, rather than a distinct genus itself. It is the more singular, however, that iritis should have ever been used by its inventor, as the Germans have long employed the more correct relative compounds of iridotomia, iridec- tomia, and iridodyalysis. The exact change of colour, which the inflamed iris as- Morbid sumes, first in its less, and then in its greater circle, de- eerecatied pends upon the peculiar colour it possessed when in health. counted for. If this were grayish or blue, the morbid hue will be green; Cloudy ap- if brown or black, it will be reddish. The grayish or Point cloudy appearance of the pupil is produced by the secre- tion of coagulable lymph, which spreads over it in a fine flake like a cobweb. If the inflammation do not yield to the curative treatment, a yellowish-red tubercle forms in some part of the surface of the iris, commonly where the greater and less circles of the membrane meet; it enlarges, projects still forwarder, and is distinctly seen to be an ab- scess, which at length bursts and discharges its contents , into the anterior chamber. : [As Mr. Lawrence remarks, iritis is an adhesive inflam- The cha- mation; that is, an inflammation, attended with deposition RS the mation adhesive. * Ueber Nachstaar und Iritis nach Staaroperationem. Wien. 1801.