A probationary surgical essay on artificial pupil : submitted ... to the examination of the Royal College of Surgeons of Edinburgh, ... / by John M'Farlan ... March 1820.

  • M'Farlan, John, 1797 or 1798-1852.
Date:
1820
Catalogue details

Licence: Public Domain Mark

Credit: A probationary surgical essay on artificial pupil : submitted ... to the examination of the Royal College of Surgeons of Edinburgh, ... / by John M'Farlan ... March 1820. Source: Wellcome Collection.

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    describes, and nearly in similar terms. He / likewise mentions another variety of disease, in which the cornea, although transparent in the centre, is traversed towards its circumfe¬ rence by deep-seated vessels carrying red blood. It is generally flatter than usual, and bears the marks of previous inflammation. The aqueous humour is deficient in quantity, yet the iris retains its usual form, and is not pressed un¬ naturally forwards. The size of the pupil is sometimes very much diminished. j.- ] £}>. ‘ j4l. tr • • T r ’ - # The capsule of the crystalline lens is always opaque, and adheres to the inner rim and pos¬ terior surface of the iris. On the white sur¬ face of the capsule, small red vessels may ge¬ nerally be seen shooting into the substance of the iris. In short, the cornea, the iris, and the diseased capsule, all shew evident marks of morbid vascularity. * c > « _ ; •; .. ■ am , . .. v.;;. ! - 0ffr ?» *4 Mr. Gibson likewise notices particularly two morbid states of the cornea, in which he thinks