Lectures on cataract : its causes, varieties, and treatment / by George Cowell.
- Cowell, George, 1836-
- Date:
- 1883
Licence: Public Domain Mark
Credit: Lectures on cataract : its causes, varieties, and treatment / by George Cowell. Source: Wellcome Collection.
43/158 (page 23)
![lenses or after iritis. A curious fact has bee: pointed out by Professor Arlt, that lamella cataract often occurs in children who hav ]?iG_ 4. Diagram of Lamellar Cataract. (The shading should have been circular instead of transverse.) been the subject of convulsions, though he does not offer any sufficient explanation of the connection between them. In this form of cataract, vision is often materially improved after dilatation of the pupil by a weak solution of atropine, the clear peripheral portion of the lens becoming available. This affords us an indication for treatment by an artificial pupil in some of the cases, rather than by any interference with the lens, the first result of a needle operation being to render the whole of the lens opaque, and thus to destroy all power of accommoda- tion as well as the characteristic appearance described as peculiar to this form of cataract. The best position for an artificial pupil is downwards and inwards (Fig. 38). The mode](https://iiif.wellcomecollection.org/image/b2039858x_0043.jp2/full/800%2C/0/default.jpg)